37results about How to "Insulate from moisture" patented technology

The invention provides a light source packaging structure, and a positioning and coupling method thereof. The light source packaging structure comprises a sealing box cover (101), a C lens (102), a silicon based heat sink (103), a laser chip (104), an isolator assembly (106), and a silicon light chip (107). The laser chip (104), a collimating lens (105), and the isolator assembly (106) are sequentially disposed on the silicon based heat sink (103). The C lens (102) is aligned with the grating coupler (110) of the silicon light chip (107) in a fixed and coupled manner. The sealed box cover (101) is provided with an inclined inner wall used to reflect light emitted by the laser chip (104) to the C lens, and the lower surface of the C lens (102) is provided with a polishing surface matched with the incident angle of the reflected light. The side of the C lens (102) inclined toward the direction away from the silicon based heat sink (103), and the optical axis of the C lens (102) is consistent with the transmission direction of the light, and the main light is superposed with the optical axis. A coupling structure is compact, and position tolerance is large.

The invention relates to a packaging adhesive film for a solar cell, which can effectively prolong scorch time T2 and improve the processing and packaging properties of an EVA adhesive film on the basis of small change on total cross-linking time TC. The packaging adhesive film for the solar cell contains a copolymer of ethylene-vinyl acetate (EVA), a cross-linking agent, a cross-linking inhibitor and a radical trap, wherein, the masses of the cross-linking inhibitor and the radical trap are respectively 0.1-1.0% and 0-0.3% of the mass of the ethylene-vinyl acetate copolymer, and the cross-linking time of the packaging adhesive film for the solar cell is 10-30min. In the invention, the cross-linking inhibitor and the radical trap are added based on the formula of the existing packaging adhesive film for the solar cell to form a stable molecular structure with active radicals generated in the peroxide cross-linking agent, thus effectively preventing early-stage cross-linking and over cross-linking, and effectively prolonging the scorch time T2 on the basis of guaranteeing the total cross-linking time TC to meet the requirements.

The present invention provides a spectral measurement CCD module capable of stably controlling temperature. The spectral measurement CCD module comprises a heat radiation box with sealing and heat radiation effects, and a semiconductor refrigeration piece, a heat conduction block, a temperature sensor and a CCD are orderly placed from bottom to top at the center in the heat radiation box. The spectral measurement CCD module also comprises an optical calibration unit. The bottom of the heat radiation box is formed as a comb-type sheet structure to increase a surface area so as to facilitate heat radiation. The temperature sensor is embedded into the heat conduction block. The side face of the heat radiation box is provided with a wire outlet hole, and the connection wires of the semiconductor refrigeration piece, the temperature sensor and the CCD are led out from the wire outlet hole. The upper end of the heat radiation box is provided with a transparent window. The optical calibration unit is fixed at the transparent window. The CCD and a refrigeration temperature control unit and an optical correction unit with the functions of correcting aberration and converging energy are integrated, the stable controlling of temperature is realized so as to reduce noise and signal drift, and the sensitivity and resolution of detection spectrum are raised obviously.

The invention discloses an efficient mounting structure of a decorating plate. A waterproof plate is fixedly connected with the decorating plate through a plurality of obliquely-arranged pin bar plates, and the oblique bottom end of a locking bar plate is flush with the right side plate face of the waterproof plate. The oblique top ends of the pin bar plates are inserted into an insert groove of the decorating plate in a fastened mode, and a heat insulation bonding layer and a sound insulation bonding layer are mounted between the waterproof plate and the decorating plate. The heat insulationbonding layer is arranged in the mode of being bonded to a left side face plate of the waterproof plate through glue, and the sound insulation bonding layer is arranged in the mode of being bonded toa right side face plate of the decorating plate through glue. By adopting the technical scheme, the decorating plate and a wall are mounted and assembled through the arranged waterproof plate, and theeffect of wall humidity isolation is achieved through the waterproof plate, the service life of the decorating plate can be prolonged, the decorating plate and the waterproof plate can be integrallymounted on the wall, the mounting efficiency is high, and the more mounting labor cost is saved advantageously.

The invention relates to a metal antirust agent and a production technique thereof. The metal antirust agent comprises 13-17 parts of citric acid, 6-9 parts of acetic acid, 8-12 parts of etidronic acid, 5-11 parts of sodium phytate, 7-10 parts of hexamethylene tetramine, 5-8 parts of triethanolamine, 7-9 parts of sodium chloride, 13-17 parts of polyethylene glycol, 9-15 parts of silicon dioxide, 3-7 parts of manganous dihydrogen phosphate, 2-4 parts of ammonium molybdate, 9-13 parts of epoxidized soybean oil, 1-3 parts of a corrosion inhibitor, 7-11 parts of o-toluidine, 6-9 parts of sodium sulfonate, 2-5 parts of sodium carboxylate, 3-6 parts of polydimethylsiloxane, 3-5 parts of a defoaming agent, 2-4 parts of a dispersing agent and 3-6 parts of bactericide. The metal antirust agent contains special additives and can permeate rust, corrosives, oil stains, mud and the like so that a connecting piece can be released slowly and removed easily, and dirt such as incrustation and dust adhering to the surface of metal can be effectively removed; and besides, an antirust oil film is reserved on the surface of metal or other materials, so that moisture and water are effectively isolated and the service life of the connecting piece is effectively prolonged.

The invention relates to a metal antirust agent meeting the spraying adhesion and a preparation method of the metal antirust agent. The metal antirust agent comprises the following components and is prepared from the following raw materials in parts by weight: 18-30 parts of a polyquaternium-hyperbranched benzimidazole block polymer, 10-16 parts of polyacrylate, 5-8 parts of a surfactant, 0.5-2 parts of an organic phosphonic acid compound, 4-8 parts of ferrocene, 5-9 parts of a defoamer, 3-8 parts of hydroxypropyl methyl cellulose, 0.2-1.2 parts of a pH regulator, and 70-90 parts of deionizedwater; and the preparation method comprises the following steps in the preparation: adding the polyquaternium-hyperbranched benzimidazole block polymer, the polyacrylate and the deionized water into areaction kettle, raising the temperature to 105-20 DEG C, stirring, adding the organic phosphonic acid compound and the surfactant; then raising the temperature to 150-160 DEG C, then adding the hydroxypropyl methyl cellulose, the ferrocene and the defoamer, adding the pH regulator, and regulating the pH to 6-8. Compared with the prior art, the metal antirust agent is high in stability, a film layer is electrically conductive, the postprocessing of a metal part is convenient, the anti-rust property and the anti-corrosion property are excellent, and the spraying adhesion is excellent.

A filter element has a filter body having a longitudinal axis, wherein the filter body has a first end with a first end face and a second end with a second end face opposite the first end in direction of the longitudinal axis. The filter body is provided with inner and outer circumferential surfaces permeable for a medium to be filtered. A first end disk is arranged at the first end face and a second end disk is arranged at the second end face. The outer circumferential surface of the filter body has at least one fluid-tight area that is impermeable for the medium to be filtered. The fluid-tight area is an incoming flow protector or an improper handling protector resting on the outer circumferential surface.

The invention discloses a method for preparing an edible film material through bran, and relates to the technical field of novel film material production. The method comprises the steps that the bran is subject to fine grinding and screening, and the fineness of particles is 120 meshes; the mass proportion of the bran to water is 1:5, the bran is put into a reaction kettle to be heated to 65 DEG C, protease and saccharifying enzyme are added, and enzymolysis is carried out for 6 hours; the temperature is reduced to 12 DEG C, the bran is poured into a centrifugal machine to be separated, and the bran and other large particle slag are removed; gelatin, nanosilicon dioxide, lecithin and saponin are added, the temperature rises to 90 DEG C, stirring is carried out for 30 min, and the pH value is adjusted to 7.5; spray drying is carried out, and the edible film material is obtained. The new way for utilizing the bran is provided, the bran can be subject to deep machining, the added value of products is high, the production technology is suitable for batched production of an enterprise, the investment is small, the product quality is high, the produced edible film material can be used for producing edible thin films, a new material is provided for the food and the food packaging field, moisture can be isolated, food can be prevented from absorbing moisture, infectious microbe breeding is avoided, and the food can be well protected.

The invention discloses a toy displaying platform. The toy displaying platform comprises a base, a top cover and a connecting groove which is used for connecting the upper end portion of the glass hood and arranged on the top cover of the glass hood, the connecting groove is communicated with a light source in the top cover, a light guiding part is arranged on the upper end portion of the glass hood, a guiding pipe part at least comprises a reflective plate, and drying type connecting structures are arranged at the connecting positions of the top cover and the glass hood. A method in which a light source cavity is formed in the top cover and light is guided out by the light guiding part is adopted to insulate light and heat, the glass hood is adopted to prevent dust, and the surface of a model exhibiting item is protected by adopting a drying type connecting structural damping-resisting manner.

The invention discloses a photovoltaic water maker power supply used in an island reef environment. The photovoltaic water maker power supply comprises a photovoltaic panel (1), a reverse connection and backflow prevention circuit (2), a DC-DC step-down circuit (3), a DC-AC inverter circuit (4), an energy storage assembly (5), a DC side support capacitor (6) and an output isolation transformer (7). The power supply is especially suitable for high-salt and high-humidity environments of islands and reefs, can bear starting overload of a water maker, is suitable for short-time large-overload starting of the water maker, and is high in reliability.

The invention relates to a handle for manual manufacture. The handle for the manual manufacture comprises a handle part, wherein at least one supporting ring is arranged on the upper part of the handle part, a connecting table is arranged on the upper end part of the handle part, and the connecting table is rotationally connected with the handle part through a rotating motor. The handle for the manual manufacture has the advantage of ensuring the effect of painting small objects with a pen.

The invention relates to the field of outdoor devices, in particular to a dual-use outdoor safe tent cage capable of isolating moisture and changing gaps and a method. The dual-use outdoor safe tent cage capable of isolating moisture and changing gaps comprises a bottom wall (1), one or more push-pull walls are hinged to the bottom wall through a hinge position (13), the push-pull walls are connected with a transverse top wall structure (4) through springs, a motor (3) is fixed to the transverse top wall structure (4), the motor (3) is a forward and reverse rotation motor, and a thread sleeve(9) is hinged to the push-pull walls through a hinge position (6) or the thread sleeve (9) is sleeved with a containing groove (14) of the push-pull walls through an inner sleeve plate (12). The dual-use outdoor safe tent cage capable of isolating moisture and changing gaps and the method have the beneficial effects that wild animals can be prevented; the dual-use outdoor safe tent cage has a variety of uses, for example, the dual-use outdoor safe tent cage can be used as a museum protection device; the moisture can be isolated; and the gaps can be changed.

The invention discloses a van door remote control anti-theft device, relates to the technical field of safety thievery prevention, and can solve the problems that a common padlock outside a carriage is easy to be damaged after being exposed to the weather, and easy to be prized, a key is easy to lose and the like. The van door remote control anti-theft device comprises jacking-open devices, pushing-open devices and a control module, wherein the jacking-open devices are arranged at the front narrow plate of a carriage; the part, close to the edge of a door, of the front narrow plate of the carriage is provided with a pushing-open device; and the control module is arranged between two pushing-open devices. According to the invention, the purposes of remote control door opening, alarm in case of an unclosed door, thievery prevention alarm and artificial door opening in case that a remote control device is failed or other conditions causing the remote control device not to open the door occur can be achieved.

The invention relates to the field of outdoor devices, in particular to a bear-deterrent outdoor safe tent cage capable of isolating moisture and changing gaps and a method. The bear-deterrent outdoorsafe tent cage comprises a bottom wall (1), one or more push-pull walls are hinged to the bottom wall through a hinge position (13), the push-pull walls are connected with a transverse top wall structure (4) through springs, a motor (3) is fixed to the transverse top wall structure (4), the motor (3) is a forward and reverse rotation motor, a thread sleeve (9) is hinged to the push-pull walls through a hinge position (6) or the thread sleeve (9) is sleeved with a containing groove (14) of the push-pull walls through an inner sleeve plate (12). The bear-deterrent outdoor safe tent cage capableof isolating moisture and changing gaps and the method have the beneficial effects that wild animals can be prevented; the bear-deterrent outdoor safe tent cage has a variety of uses, for example, the bear-deterrent outdoor safe tent cage can be used as a museum protection device; the moisture can be isolated; and the gaps can be changed.