58results about How to "Good divergence effect" patented technology

The invention relates to a transient electromagnetic method (TEM) technology and discloses a detection device based on the TEM. The device comprises a transmitting antenna for generating a transient electromagnetic field and a receiving antenna for receiving a secondary electromagnetic field excited by the transient electromagnetic field, wherein the transmitting antenna consists of a coil array which is composed of at least two coils; and an electromagnetic field generated by the coil array is converged towards a set area. According to the detection device based on the TEM, a single coil of a primary field transmitting antenna of the TEM is modified into the coil array consisting of a plurality of coils, and related parameters of various coils in the array are adjusted, so that the generated electromagnetic field vectors are superposed and converged to the set area, and the divergence of the electromagnetic field generated by the transmitting antenna is greatly improved; and therefore, the coverage range of the primary field is constrained, and the converging performance of the transmitting antenna is improved. The detection device is mainly used for the field of electromagnetic detection, such as prospection, underground pipeline detection, metal detection and the like.

The invention discloses a motor cover for accommodating a motor, which comprises a motor front cover and an air filter hood; wherein the air filter hood comprises a cylindrical meshed exhaust part on which a ventilation hole is formed; an end part of the exhaust part is provided with a fixed baffle and an exhaust hole, and the outside of the end part is fixedly connected with an annular resonant chamber; a cyclone former is arranged between the motor and the motor front cover. The inhaled air stream forms cyclone by arranging the cyclone former between the motor and the motor front cover; wind power is consumed in the cyclone manner and a trace quantity of dust in the wind power is led to the inner side of the resonant chamber, such that the reduction of wind power results in reduction of volume of noise; meanwhile, through holes with different diameters are formed on the inner side surface of the resonant chamber to broaden the effective silence frequency band of the resonant chamber; furthermore, a frequency-lowering groove is arranged in the inner side of the ventilation hole of the meshed exhaust part, so that the divergence of air stream is improved, the air outlet frequency is altered and the voice quality of the vacuum cleaner is greatly improved.

An adjustable jetting support for dust control of a comprehensive mechanized excavation surface of a mine comprises a support plate and a plurality of connecting lugs. A plurality of input port through holes are disposed in the middle of the support plate at intervals, delivery pipes penetrate through the input port through holes, strip-shaped holes are disposed on two sides of each input port through hole, an elongated bolt is arranged in each strip-shaped hole, a sprayer mounting branch pipe connected with a corresponding input pipe is disposed at the front of each input port through hole of the support plate, branch pipe fixing lugs are arranged on the upper side and the lower side of each sprayer mounting branch pipe and are respectively sleeved on the corresponding elongated bolts, each elongated bolt is provided with an adjusting nut used for fixing and adjusting the distance from the corresponding sprayer mounting branch pipe to the support plate, and a plurality of sprayers are disposed on the sprayer mounting branch pipes. The adjustable jetting support is applicable to treating high-concentration dust by the aid of dust falling media such as water mist, foam and the like when an underground coal mine comprehensive mechanized heading machine cuts and crushes coal rocks, dust falling efficiency and utilization rate of the dust falling media are increased, and the adjustable jetting support is simple in structure, simple and convenient in operation and easy to repair and replace.

The invention discloses a diffusion plate, a backlight module and a display device, and relates to the technical field of liquid crystal display. The diffusion plate comprises a light incident surface and a light emergent surface. Concave surfaces for receiving incident light rays are formed in the light incident surface, and convex surfaces which correspond to the concave surfaces and are used for emerging light rays are arranged on the light emergent surface. The diffusion plate, the backlight module and the display device have the advantages that the backlight module is thin, and the diffusion plate is used for the backlight module.

The invention discloses a piece of impact-resistant organic glass. The impact-resistant organic glass comprises the following raw materials in part by weight: 100-200 parts of methyl methacrylate, 10-20 parts of methylacrylate polycyclic norbornene-yl-acetate, 4-6 parts of dioctyl phthalate, 15-20 parts of rubber particles, 2-4 parts of modified nano-silica, 1-4 parts of benzoperoxide, and 1-3 parts of molecular weight regulator. The invention further discloses a preparation method of above mentioned impact-resistant organic glass. The impact-resistant organic glass disclosed by the invention is high in impact resistance and good in tenacity.

The invention relates to a disposable laser radiation aid. The disposable laser radiation aid comprises a shell, the axial section of the shell is in the U shape, and the shell comprises a bottom and a sidewall. The disposable laser radiation aid is characterized by further comprising a cylindrical optical fiber sleeve, wherein one end of the optical fiber sleeve and the inner side of the bottom are connected into a whole, and the other end of the optical fiber sleeve is a free end. Because the shell and the optical fiber sleeve are of an integrated structure, the shell and the optical fiber sleeve can be manufactured in an integrated forming mode, and the working procedure of manufacturing the shell and the optical fiber sleeve respectively and then installing the shell and the optical fiber sleeve is omitted. Ventilation grooves are formed in the outer surface of the sidewall, so that the ventilation area is enlarged; compared with a traditional ventilation mode that air holes are formed in the sidewall, the ventilation grooves are hardly blocked by increta of nasal cavities or auditory meatus, even if the ventilation grooves are blocked, the ventilation grooves are easier to clean, and a patient can feel more comfortable in the use process.

The invention discloses an LED lamp with dual light sources. The LED lamp with dual light sources comprises a power supply module, a first light source, a second light source, a switching circuit, a pedestal, a first light transmitting hood and a second light transmitting hood; both the first light source and the second light source are mounted on the pedestal and are located on the same side of the pedestal; the first light source is composed of a plurality of LED chips which are successively connected in series and surround the periphery of the second light source; both the first light transmitting hood and the second light transmitting hood are mounted on the pedestal, the first light transmitting hood is arranged on the first light source and the second light source in a covering manner, and the second light transmitting hood is arranged on the periphery of the first light transmitting hood in a covering manner; and the switching circuit is separately connected with the power supply module, the first light source and the second light source, and is used for controlling the power supply module to supply power for the first light source or the second light source. According to the LED lamp with dual light sources disclosed by the invention, the switching circuit is arranged to automatically switch on the second light source to replace operation of the first light source under the condition that the first light source is abnormal, so that the LED lamp operates normally and inconvenience caused by the reason that the LED lamp cannot work is avoided.

The invention discloses a novel nano synergistic fertilizer. The novel nano synergistic fertilizer comprises a fertilizer bag and a nano fertilizer, wherein the nano-fertilizer is prepared from urea, a potash fertilizer, nano-selenium, a nano-additive, a biological agent, polyacrylamide and ammonium phosphate; the fertilizer bag is a non-woven fabric storage bag, the non-woven fabric storage bag is sequentially provided with a nano film layer, activated carbon fiber layers and breathable fence layers from top to bottom, the activated carbon fiber layers are arranged on the upper side and the lower side of the nano film layer respectively, and the breathable fence layers are arranged on the two sides of the nano film layer. According to the invention, the fertilizer is prepared by adopting formula components with corresponding proportions, and the fertilizer bag is prepared from a multi-material composite material, so that the air permeability and the divergence of the fertilizer are enhanced, and the effect of enhancing the fertilizer efficiency can be achieved; and the fertilizer has the characteristic that the effect of the fertilizer can be enhanced.

The invention discloses an even illumination plate-type lamp for illumination or heating and relates to the field of the illumination or heating. The even illumination plate-type lamp for the illumination or the heating comprises a transparent medium layer, heat radiation reflecting layers, a base board, a lateral side baffle and light sources. Portions between the transparent medium layer and the base board and between the transparent medium layer and the lateral side baffle are respectively provided with the heat radiation reflecting layers; dull polish process is performed to a lower surface of the transparent medium layer so that light illuminating on the surface is good in diffusion effect; an inner light source can be the light source used for illuminating and used for radiant heating; when the light source is used for radiant heating, a plurality of radiant light sources are internally arranged in the transparent medium layer; and a structure of a plate can be manufactured to be a folding type or a three face enclosing type. According to the even illumination plate-type lamp for the illumination or the heating, light rays emitted by the light sources are distributed evenly, the light rays generated are soft, glare is avoided and the even illumination plate-type lamp for the illumination or the heating is even in generated light rays, small in size, simple in structure, convenient to manufacture, safe and practical.

The invention discloses an electric hair drier with fragrance. The electric hair drier comprises a blower body, a handle and a power line. A motor, blades, an electric heating element, a circuit board and a related control circuit is disposed in the blower body. A fragrance device is added to the air outlet of the blower body. The fragrance device comprises a holder and a perfume bottle which are connected in a threaded manner. The electric hair drier with the fragrance is novel in design and unique in function, the hair can be perfumed while being dried through the fragrance device, the perfume molecules are good in attaching capability and volatility, and adverse effects of perfume on the hair can be reduced effectively. In addition, the perfume bottle is convenient to replace and good in assembling performance, and accordingly good usability of the electric hair drier is guaranteed.

The invention discloses an anti-cracking and anti-aging connecting plate rubber material for a transmission shaft of an automobile. The connecting plate rubber material is prepared by adding modifiedreed fiber particles into a basic rubber material body. The rubber material has the advantages that the modified reed fiber particles are added, the prepared porous mesh reed fiber particles mostly contain lignin constitution structures, lignin contains more active groups such as aromatic groups, alcohol hydroxyl groups, carboxyl groups, methoxyl groups, conjugated double bonds and the like, various types of reactions can be easily generated between lignin and rubber as well as an inorganic filler, and the lignin can be subjected to reactions such as grafting and crosslinking with the rubber,so that the lignin achieves the effect of reinforcing the rubber; and the combined effect of modified carbon black and reed fibers is adopted, so that the polarity of the reed fibers is greatly reduced, the dispersing effect of the reed fibers in the rubber is better, and the agglomeration phenomenon is relatively few.

The invention discloses a wind-feeling-free wind guide piece, an air conditioner indoor unit and an air conditioner. The wind-feeling-free wind guide piece comprises a wind guide piece body and a plurality of guide vanes, and a through hole is formed in the wind guide piece body; the multiple guide vanes are arranged on the wall face of the through hole and extend in the radial direction of the through hole, and the extending tail ends of the multiple guide vanes jointly define a ventilation area; and a wind passing gap is formed between every two adjacent guide vanes, the guide vanes deflect in the same direction in the circumferential direction of the through hole, and the guide vanes are obliquely arranged relative to the radial section of the through hole. The technical scheme provided by the invention has the characteristics of good airflow emission effect and wind-free effect.