96results about How to "Quiet working environment" patented technology

The embodiment of the invention provides an equipment control method, an equipment control system and a terminal. The equipment control method, the equipment control system and the terminal are applied to intelligent dust removal equipment. The method comprises the following steps of obtaining user activity information of a region to be cleaned; determining the cleaning mode corresponding to the region to be cleaned according to the user activity information; and cleaning the region to be cleaned according to the determined cleaning mode. The method provided by the invention has the advantages that the cleaning mode of the intelligent dust removal equipment can be determined according to the current activity state of a user; a quiet life environment and a quiet work environment can be provided for the user; and the noise pollution is reduced.

The invention relates to air dust collecting equipment, in particular to a pollution-free vertical sleeve-type air dust collector employing natural wind power. The product of the invention comprises a dust collecting module and a power module and comprises 17 parts including a sleeve base, a sleeve, a centrifugal helix slice, a core, a variable speed bracket, a fan cover base, a roller, a variable speed gear, a fan cover blade, a fan cover roof, a central shaft, a fan cover rotating wheel, a ball bearing, an exhaust fan, a dust filtering sponge, a dust filtering screen and a core base. The invention overcomes the known defects of the dust collectors at present, develops the strong points and avoids the weak points, gets rid of the stale and brings forth the fresh, strives to farthest reduce the production cost and the operation cost of the dust collector while reducing the unit volume and improving the reliability and forms an air dust collecting device with the natural wind force as the power and without extra power. The air dust collector has the characteristics of simple structure, low cost, reliable operation, convenient maintenance and the like, can be widely applied to such industries as living, production, working, commerce, entertainment, sand-proofing, etc, is suitable for families, plants, organs, shops, restaurants, afforestation and has broad market application prospect and higher economic and practical value.

The invention belongs to the technical field of car washing machines, and relates to a center high-pressure water-supplying car washing device. The center high-pressure water-supplying car washing device comprises a motor and a high-pressure water pump, wherein the motor drives the high-pressure water pump; an water outlet of the high-pressure water pump is connected with a main water supply pipe; two or more branch water supply pipes communicate to the main water supply pipe; the outer ends of the branch water supply pipes are connected with hydraulic giants; the water supply capacity of the high-pressure water pump is changed by changing the rotating speed of the motor, so that the condition that when the different numbers of the hydraulic giants are opened, the water yield of each of the hydraulic giants meets the design requirements can be adapted. The center high-pressure water-supplying car washing device disclosed by the invention has the advantages that according to the number of the opened hydraulic giant or the closed hydraulic giant, the frequency or water yield of the motor or the water-yield capacity is controlled by a frequency converter, a frequency conversion technique and one motor are adopted for supplying water for the hydraulic giants, so that the equipment is low in comprehensive cost, small in consumed space, low in noise, silent in working environment, and obvious energy-saving effect, and is safe and reliable to operate, convenient to maintain, service and control, and the center high-pressure water-supplying car washing device is suitable for an unit washing cars in a centralized manner.

The invention discloses an anti-sputter stone carving engraving machine, which comprises a main body of the engraving machine. The shooting stone carving engraving machine has improved the shortcomings of the original product with less protection measures, no cooling equipment and short service life. Compared with the original product, the new stone carving engraving machine is equipped with a top cover, which can better protect The splashing caused by the stone plays a role of safety protection. It is equipped with a water spray head and a water outlet. The water spray head can cool down the drill bit in time when the drill bit is engraving stone, which plays a role in protecting the drill bit and indirectly improves the engraving machine. The service life is long, and the shock absorber can better reduce the vibration caused by work, and provide a quiet working environment for the staff.

The invention provides a sound-insulating box for acoustic testing. The sound-insulating box comprises a wall body, a top plate and a bottom plate. A square sound-insulating chamber is defined by thewall body, the top plate and the bottom plate jointly. The wall body comprises a front plate, a rear plate, a left side plate and a right side plate. A sound-insulating door is arranged on the front plate and comprises an outer sound-insulating door body and an inner sound-insulating door body. The inner surfaces of the wall body, the top plate and the bottom plate are each provided with a boss, and the sizes of the bosses are smaller than those of the outer surfaces of the wall body, the top plate and the bottom plate correspondingly. The adjacent bosses can be matched in a concave-convex mode, and the wall body, the top plate and the bottom plate are fixedly connected through bolts. According to the sound-insulating box for acoustic testing, the structure is reasonable, carrying is convenient, the sound-insulating effect is good, the firm and durable effects are achieved, ventilating is good, and a comfortable and quiet environment is provided for operators.

The invention relates to an electric energy generator which utilizes seawater as an electrolyte solution, in particular to a movable seawater cell which is suitable for a ship. The seawater cell comprises an electrode module and a shield module which comprise five parts of a copper electrode, an aluminum electrode, a connecting line, a shell and an inner cage, wherein copper metal is used as a cell anode; an aluminum metal plate is used as a cell cathode; and the shell is made of stainless steel materials. The invention has exquisite structure, smooth appearance, higher economic value and favorable social value and wide market prospect, improves the corrosion resistance and impact resistance of the product to the greatest extent, has the characteristics of capability of moving, simple and easy manufacture, simple operation, reliable running, quiet working environment, high adaptability, long service life, wide application range, and the like and can be used as a power supply of the ship in addition to be used as illuminating and signal power supplies of the ship and widely applied to industries of sea operation, seawater culture, sea survival, sea shipping, sea entertainment, and the like.

The invention discloses a high-speed centrifugal spray dryer and relates to the technical field of dryers. The high-speed centrifugal spray dryer comprises a drying tower, a funnel and unit section guide rails. The bottom of the drying tower is fixedly connected to the top of the funnel, a negative pressure fan is fixedly mounted at the bottom of the funnel, a driving motor is fixedly mounted in the middle of the top of the drying tower, and centrifugal atomizers are fixedly mounted on both sides of the inner top wall of the drying tower; a high temperature thermal-insulation board, a sound reduction area and a sound refraction board are fixedly mounted in the side wall of the drying tower from inside to outside in sequence. According to the high-speed centrifugal spray dryer, a cleaning device can move up and down conveniently, convenience is provided for cleaning residues of materials adhering to the inner wall of the drying tower, the cleaning safety and stability are improved, theuse range is enlarged, circumferential rotation of the cleaning device can be indirectly achieved, the cleaning uniformity and thoroughness are enhanced, the cleaning efficiency is improved, and the problem of shutdown of the dryer for cleaning during operation is avoided.

The invention discloses an anti-noise leg of stool and chair, which comprises a leg of a stool and a chair, wherein a hollow cylinder is arranged at the lower end of the leg of the stool and the chair, a spring is arranged in the hollow cylinder, and the lower end of the spring is connected with a wheel. In the invention, the hollow cylinder is arranged at the lower end of the leg of the stool and the chair, the spring is installed inside, and the spring is connected with the wheel; when a student rises, the spring extends, and the wheel touches the ground, thus, a squeak can not sound, and the spring and the wheel are compressed and returned to the inside of the cylinder and can not randomly move when a person sits down. The invention has simple structure and convenient use, can further create quiet learning and working environments, and also can be conveniently moved.

The invention discloses an industrial camera with good heat dissipation performance, relates to the technical field of industrial cameras, and aims to solve the problem of poor heat dissipation performance in the prior art. A containing box is arranged on one side of a machine shell. A cooling liquid container is mounted in a fixing ring; a water-cooling circulating pump is mounted above the cooling liquid container; a liquid inlet is formed in one end of the water-cooling circulating pump; a liquid outlet is formed in one end below the cooling liquid container; a chipset is arranged on one side of the interior of the machine shell. A host is arranged on the other side of the interior of the machine shell; an optical filter is mounted on one side of the host; heat dissipation bases are installed on the inner side of the host and the inner side of the chipset correspondingly, heat dissipation fins are arranged on one sides of the heat dissipation bases, a heat dissipation fan is installed between the host and the chipset, a coiled pipe is installed at the upper end of the interior of the machine shell, a first heat dissipation window is arranged above the machine shell, and a secondheat dissipation window is arranged above the containing box.

The invention discloses a universal multi-joint all-purpose robot. The universal multi-joint all-purpose robot comprise a flange, a first universal joint, a second universal joint, a straight arm part, a third universal joint, a bent arm part, a fourth universal joint, a fifth universal joint and a sixth universal joint; the first universal joint is vertically arranged on the flange; the second universal joint is vertically arranged on the side surface of the first universal joint; the straight arm part is vertically arranged on the outer surface of the second universal joint; the third universal joint is arranged at the top end of the straight arm part and perpendicular to the straight arm part; the end face of the circular-arc end of the bent arm part is connected with one end face of the third universal joint, while the straight arm end of the bent arm part is vertically connected with the fourth universal joint; the fourth universal joint is vertically connected with the fifth universal joint by use of the end face of the fourth universal joint; the fifth universal joint is vertically connected with the sixth universal joint by use of the end face of the fifth universal joint; a tool end is arranged at one end of the fifth universal joint; a moment motor is arranged in each of the universal joints and the straight arm part, and each moment motor is capable of rotating around the own axis. The universal multi-joint all-purpose robot is wide in applicability, high in flexibility, small in volume, light in weight, low in cost, low in noise and convenient for production and mounting.

The invention discloses a detachable high-precision cutting device for metal plates. The device comprises a cutting head control device, a worktable, and a power supply device; a fixed module is arranged on one side of the cutting head control device; a linkage shaft is arranged on one side of the fixed module; a first silencer is arranged on the outer surface of the linkage shaft; and an adjustable auxiliary gas box is fixedly mounted at the lower end of the cutting head control device. The detachable high-precision cutting device for the metal plates is provided with an anti-touch protectivecover, the first silencer, a protective cover and the adjustable auxiliary gas box, so that persons can be prevented from accidentally touching a switch, the normal work of equipment is guaranteed, the noise generated in the equipment operating process can be isolated, the spark generated in the cutting process is prevented from injuring workers and surrounding objects, corresponding auxiliary gas can be transferred for different metal, the equipment is conveniently disassembled and installed, different working conditions can be adapted to, and the better application prospect is achieved.

The invention provides an energy-saving fuel gas oven tool which comprises a pan tool (1), a furnace body (2), combustors (3A and 3B), regenerative chambers (4A and 4B), a reverse control valve (6), a draught fan (11) and a discharge flue (12), wherein the pan tool (1) and the furnace body (2) are connected into a whole, and thus the whole oven tool is of a totally enclosed type; the interior of the furnace body (2) forms a combustion chamber, the wall of the furnace body (2) is provided with combustors (3A and 3B) and regenerative chambers (4A and 4B) in pairs, the combustors and the regenerative chambers are arranged in a matching manner and are connected through a high-temperature air inlet; the regenerative chambers (4A and 4B) are respectively connected with a normal temperature combustion-supporting air inlet (8) and a low temperature smoke outlet (9), and the normal temperature combustion-supporting air inlet (8) can also be used as the low temperature smoke outlet after commutation; and the low temperature smoke outlet (9) can also be used as the normal temperature combustion-supporting air inlet, the reverse control valve (6) is arranged between the normal temperature combustion-supporting air inlet (8) and the low temperature smoke outlet (9), and the low temperature smoke outlet (9) is connected with the discharge flue (12). The energy-saving fuel gas oven tool provided by the invention is capable of improving the heat efficiency of the oven tool, and can simultaneously solve the problem of pollution to the kitchen.

The invention discloses a novel heat radiation permanent magnet motor comprising a water inlet, an annular water pipe, a permanent magnet motor casing, sound-insulation cotton, rotors, a water outlet, a first magnet, a coil, a commutator segment, an electric brush, a second magnet, an end cap, fan blades, a fixing ring, a permanent magnet motor spindle, a cement fixing layer, a suspension transverse bar, a damping device, springs, screws, damping housings and T-shaped pistons. The novel heat radiation permanent magnet motor is simple in structure, novel in design, compact in structure and easy to realize. The novel heat radiation permanent magnet motor has a very good sound insulation function and can give a quiet working environment to users. The novel heat radiation permanent magnet motor has relatively good heat dissipation performance, can prevent the motor from damages due to high temperatures, has great economic benefits and a broad market prospect and is worth popularization and usage.

The invention aims to provide a fluid motor of a single-screw fluid power generator. The fluid motor is characterized by converting the energy of motion of the fluid to mechanical energy by a single-screw expansion structure and converting the mechanical energy to electric energy through motions of stators and rotors, wherein the fluid is one or a mixture of liquid, gas, supercritical fluid and plasma. The invention also aims to provide a method for converting the energy of motion of the fluid to electric energy. The method is characterized by converting the energy of motion of the fluid to mechanical energy by a single-screw expansion structure and converting the mechanical energy to electric energy through motions of stators and rotors. The generator and method are especially suitable for small-sized power generating equipment, can generate power of 1w-3000kw, preferably 50-3000kw, is suitable for generating power by utilizing the low-grade heat energy of solar energy, waste heat, excess pressure and terrestrial heat and is suitable for generating power by sampling low-temperature organic working media, especially by organic Rankine cycle.

The invention provides a pressure reducing valve and a temperature-reducing and pressure-reducing device. The pressure reducing valve comprises a valve body, valve seats, a valve flap and a valve rod and also comprises a guide cover, wherein the valve seats are fixedly connected with the valve body; the valve flap moves in the valve seat to change the flow areas of the valve seats; the valve rod is connected with the valve flap; the guide cover is sheathed on the valve flap; the two ends of the guide cover abut against the inner wall of the valve body; the guide cover is provided with a flow guiding hole, and is sheathed on the valve flap; the two ends of the guide cover abut against the inner wall of the valve body respectively; and the actuating mechanism drives the valve rod connected with the actuating mechanism to move and further drive the valve flap to move in the valve seats and the guide cover. The invention has the advantages that the radial movement of the valve flap is effectively limited by adopting a mode that the guide cover is sheathed on the valve flap, the valve flap finishes the axial movement better, and the unnecessary radial movement of the valve flap is limited, so that the vibration of the valve flap is reduced, and further the noise is reduced to enable the working environment to be quiet; and steam flowing out of the valve seats flows out of the flow guiding hole arranged in a guide sleeve, is guided out of the flow guiding hole, and is also throttled simultaneously, so that the action of secondary pressure reduction is achieved.