40results about How to "Avoid the effects of moisture" patented technology

The invention provides a metal vacuum insulated panel which comprises a shell, core materials and vacuum chambers. The metal vacuum insulated panel is characterized in that the shell is a metal panel or a metal composite panel. The core materials are located in the vacuum chambers formed by welding the shell in a sealing mode and provide additional strength for the shell, so that smoothness of the shell under atmospheric pressure is guaranteed. The vacuum chambers are massively automatically welded and sealed in a vacuum furnace under high vacuum and high temperature. A preparation method of the metal vacuum insulated panel is simple in process, the prepared metal vacuum insulated panel can overcome the defects of an existing heat preserving panel and an existing vacuum insulated panel, therefore, air tightness of the vacuum chambers of the metal vacuum insulated panel can be effectively guaranteed, the service life of the metal vacuum insulated panel is prolonged, strength can be increased, and the heat insulation, sound insulation and fireproof performance and the decorative function can be increased.

The invention discloses a cefaclor capsule and a preparation method thereof. The preparation is obtained by mixing a cefaclor inclusion complex and pharmaceutically acceptable auxiliary materials. The preparation method of the cefaclor inclusion complex comprises the following steps: dissolving polyvinyl alcohol-polyethylene glycol grafted copolymer (Kollicoat IR) in ethyl alcohol, adding cefaclor, carrying out reduced-pressure drying for removing ethyl alcohol while stirring, and filing into capsules, thus obtaining the cefaclor capsules. The cefaclor capsule is good in stability, high in dissolve-out speed, simple in production technique, and suitable for industrial production.

The invention provides a nifedipine sustained release tablet and a preparation method thereof. The nifedipine sustained release tablet is prepared from nifedipine, sodium alginate, lactose, a PVP-K30 ethanol solution, magnesium stearate and calcium gluconate. The preparation method comprises the following steps: preparing raw materials, preparing the PVP-K30 ethanol solution, thoroughly mixing the raw materials according to the prescribed amount, then adding an appropriate amount of PVP-K30 ethanol solution, and performing mixed granulation; after drying, adding a right amount of magnesium stearate, mixing totally, and then performing tabletting and packaging. The nifedipine sustained release tablet provided by the invention has the advantages of good safety, dissolution curve and stability, low cost and the like.

The invention relates to a pharmaceutical composition containing valsartan and amlodipine besylate and a preparation method. The composition takes valsartan and amlodipine besylate as raw materials, and comprises pharmaceutically acceptable excipients of microcrystalline cellulose, crosslinked sodium carboxymethyl cellulose, silica and sodium stearyl fumarate. The preparation method comprises following steps: carrying out dry granulation on the raw materials and part of the excipients firstly, and adding the sodium stearyl fumarate to carry out tabletting and coating to be produced into film-coated tablets. The preparation method is characterized in that the dry granulation is adopted to avoid the influence of moisture on main ingredients during wet granulation, and the sodium stearyl fumarate serves as a lubricant instead of commonly used magnesium stearate to prevent the influence of the magnesium stearate on the main ingredients, therefore on the premise of disintegrating and dissolving the product better, the product quality is further stabilized and the drug safety is enhanced.

The invention discloses a moisture-proof safety power box capable of automatically removing moisture in a humid area. The moisture-proof safety power box comprises a protective roof cover, a ventilation fan, a power box body, a box door, a moisture-removing base and a protection board. The power box body is locked to the back side of a top end of the moisture-removing base, the box door is fastened to the front end of the power box body, and the protective roof cover is locked to the top end of the power box body. When the moisture-proof safety power box is used, whether the inside of a deviceis damp can be detected through a set adsorption device, when the adsorption capacity of the detection adsorption device provided by the device reaches a certain level, a heater of the device is driven to be switched on to run such that the inside of the device is dried by hot air, and the danger of short circuit due to damp and electrical conduction of the device can be prevented; when the device drives the heater to run, an air intake filtering device is lowered, the device can filter the moisture of intake air and discharge of the moisture of the intake air, therefore, the influence of external moisture on the device can be avoided well, and the device is convenient to use.

The invention discloses a cable splice box suitable for communication engineering, which comprises a lower box body, a rotating shaft, an upper box body, a clip head, a slot, a connection port, a sub-connection port, a cable, a hoop, an anti-skid pad, a first Primary tension spring, fixing frame, connecting shaft, snap ring, fixing card, fixing groove, connecting nut, sleeve, hanging ring, fixing rod, hook, second tension spring, throat hoop, waterproof tape, conductive foam and Cable barrel shielding. The invention uses the fixing rod, the hoop, the first pull-back spring and the second pull-back spring to play a good buffering role when the cable is pulled by it, and solves the problem that the cable joint is easy to loosen under other pulls of the hand ; and through the sealing between the lower box body and the upper box body and the function of waterproof tape, the cable joint can be prevented from being affected by moisture; at the same time, the external interference signal can be blocked in time through the conductive foam and the shielding layer of the cable barrel, which is the cable line. normal communication guarantee.

The invention discloses a waterproof, dampproof and noise-insulation type calcium silicate board and relates to the technical field of calcium silicate boards. The waterproof, dampproof and noise-insulation type calcium silicate board comprises a calcium silicate board body. The outer side of the calcium silicate board body is fixedly connected with a constant-temperature layer, a constant-temperature cavity is formed inside the constant-temperature layer, and the interior of the constant-temperature cavity is fixedly connected with a circulating constant-temperature pipe; the top of the circulating constant-temperature pipe is fixedly connected with one end of each limiting rod, and the other end of each limiting rod is fixedly connected with the inner top wall of the constant-temperaturecavity; and a plurality of constant-temperature grooves are formed in the inner walls of the two sides of the constant-temperature cavity correspondingly, and the interiors of the constant-temperature grooves are fixedly connected with constant-temperature nets. According to the waterproof, dampproof and noise-insulation type calcium silicate board, the stable temperature is ensured through the constant-temperature layer, and thus the calcium silicate board is prevented from being affected by damp; moisture entering the calcium silicate board can be absorbed through a drying layer, and thus the dryness of the interior of the calcium silicate board is ensured; and noise propagation can be reduced through a noise reduction layer, outside noise is absorbed through noise transmission holes, and the absorbed noise is circularly transmitted and reduced through noise elimination holes inside a noise absorption medium.

The invention provides an electronic product casing with a heat dissipation function, which includes a base layer and a soft layer, the base layer includes an outer layer and an inner layer, the soft layer is a silica gel layer, and the soft layer and the inner layer are respectively It is molded on two opposite surfaces of the outer layer, and the soft layer wraps the inner layer near the edge of the outer layer, the outer layer is an aluminum layer, and the thickness of the aluminum layer is 1-2 mm. Compared with the prior art, compared with the prior art, the above shell not only has a soft touch, but also can prevent the influence of moisture in the environment, is durable, and can protect the outer layer.

The present invention discloses a method for preparing rivaroxaban tablets by direct compression. A rivaroxaban active pharmaceutical ingredient is pulverized through air flow together with a binder and a surfactant, so that the mixture is not liable to adhere to a pulverization chamber during a pulverization process, thereby significantly reducing the loss rate of the active pharmaceutical ingredient. In addition, the rivaroxaban tablets are prepared by direct compression, which has strong process adaptability and good reproducibility, avoiding influences of heating and moisture during the process, and improving the stability of the medicine.

The invention discloses moisture-proof and shock-absorbing communication equipment. The equipment comprises a box body, a main body, a ventilation structure, a first damping structure and a second damping structure, wherein a mounting cavity is formed in the box body, two sliding grooves are transversely formed at a bottom end of the interior of the box body, a rainproof cover is mounted at the top of the box body through supporting legs, the rainproof cover is circular, peripheral side surfaces of the rain-proof cover are arranged in a manner of inclining towards an outer part of the rain-proof cover, the main body is installed in the box body through movable connection of an installation structure and the two sliding grooves, the ventilation structures are fixedly installed on two sidesin the box body, the ventilation structures are located at the included angles between the top and the two sides of the box body, and the first damping structures are installed between the main body and the installation structure. The equipment is advantaged in that the protection effect on the communication equipment is good, the communication equipment is prevented from being affected by moisture, moreover, the communication equipment is prevented from being damaged due to jolt, and thereby the service life of the communication equipment is prolonged.

The invention discloses a magnet adsorption type sensor device which comprises a sensor and a permanent magnet, the sensor is fixedly connected with the permanent magnet, and the permanent magnet is detachably connected with a metal structure to be detected. And the sensor device is adsorbed to the to-be-detected metal structure through the adsorption force of the permanent magnet so as to realizedetachable connection between the sensor device and the to-be-detected metal structure. The sensor device is detachably connected with the to-be-detected metal structure in a magnet adsorption mode,so that the sensor device is repeatedly used, the cost is reduced, and the sensor device is mainly used for health monitoring of the metal structure in a mechanical mechanism.

The invention discloses an electric leakage protection device and method. The device comprises an installation cabinet body, an installation support and an electric leakage protector, the installationsupport is fixed on the installation cabinet body, a protection cover is fixed on the installation support, the electric leakage protector is installed in the protection cover, and threading pipes are fixed at two ends of the protection cover. Two symmetrical mounting frames are fixed to the upper end of the installation cabinet body, photovoltaic panels are mounted on the two installation frames, and a supporting frame is fixed to the inner top wall of the installation cabinet body. The humidity in the installation cabinet body is detected through a humidity detection device, when the humidity exceeds a limit value, a humidity controller controls a heating belt to be powered on to heat the installation cabinet body, so that the evaporation speed of water vapor in the installation cabinetbody is increased, and the water vapor can be discharged through a dust screen in cooperation with operation of a cooling fan, so the humidity value in the installation cabinet body is reduced, the situation that equipment is affected with damp and leaks electricity is better prevented, and normal use of the electric leakage protector is guaranteed.

The invention belongs to the technical field of a mahjong machine and relates to a multi-contact control mechanism of a full-automatic mahjong machine. The multi-contact control mechanism of the full-automatic mahjong machine solves the technical problems that in the traditional scheme, the operation and the use of buttons are not convenient enough, the sensitivity is lower, the working stability is worse and the like. The multi-contact control mechanism of the full-automatic mahjong machine comprises a control circuit board, wherein the control circuit board is provided with a button trigger area, buttons are arranged at the upper position of the button trigger area, at least two top compression columns are arranged on each button, at least two trigger points are arranged on the button trigger area and are arranged in parallel, and the top compression columns are in corresponding arrangement with the trigger points and are positioned right above the trigger points. The multi-contact control mechanism of the full-automatic mahjong machine, disclosed by the invention, has the advantages that: 1, due to the adoption of multi-contact control, the sensitivity of control cannot be affected even the sizes of the buttons are larger, the operation convenience and the working sensitivity are compatible, and the service life is long; 2, due to the adoption of a hexagonal skirt rim, the button trigger area can be effectively protected, and the influence of dust and moist is avoided; 3, due to the arrangement of notches and guiding columns, the buttons can be stably lifted and the like.

The invention relates to an adjustable fragile transportation protective carton. The adjustable fragile transportation protective carton comprises a carton body and a first clamping plate, right-angle plates and a storage shell are arranged in the carton body, the storage shell is arranged between the right-angle plates, limiting holes are formed in the upper end and the lower end of the storage shell, and a storage groove, a first clamping groove and a second clamping groove are formed in the upper end of the storage shell; and meanwhile, the storage groove, the first clamping groove and the second clamping groove are communicated, the first clamping plate is arranged in the second clamping groove in a penetrating mode, a first vertical groove is formed in the first clamping plate, the first vertical groove corresponds to a second vertical groove, and the second vertical groove is formed in the second clamping plate. According to the adjustable fragile transportation protective carton, under the action of arranged first protruding strips and right-angle plates, the overall reinforcing degree of the carton body is enhanced, deformation of the carton body due to external factors is reduced, and in addition, under the action of the right-angle plates, the inner wall of the carton body is matched to achieve the stable limiting effect on the storage shell, and the placement stability of the storage shell in the box body is ensured.

The invention discloses a moisture-proof method for a moisture-proof charging pile. The moisture-proof method comprises the following steps that 1), a lifting mechanism of the moisture-proof chargingpile is arranged at the bottom of a containing cavity; 2), a rainproof shed is arranged at the top portion of the charging pile body; 3), when ponding exists at the bottom of the containing cavity, acharging pile body is lifted up for a certain distance through the lifting mechanism. The moisture-proof method can prevent the charging pile body from being affected with damp, ensure the normal operation of an internal circuit of the charging pile, and indirectly realize the purpose of long-distance travel of an electric vehicle.