58results about How to "Control delivery" patented technology

An apparatus method and system are provided for power conversion, to supply power to a nonlinear load such as a plurality of light emitting diodes. An exemplary apparatus comprises a first power converter stage, a second power converter stage, a plurality of sensors such as first and second sensors, and a controller. The first power converter stage includes a power switch and a first inductor having a first inductance. The first and second sensors are both coupled to a common reference node, with the first sensor adapted to sense a first parameter of the first power converter stage, and the second sensor adapted to sense the output current level. The second power converter stage includes a second inductor having a second inductance, and is couplable to provide an output current to the nonlinear load such as LEDs. The controller is coupled to the power switch, the first sensor and the second sensor, and the controller is adapted to turn the power switch into an on state for an on-time duration substantially proportional to a ratio of the second inductance to the first inductance.

The invention belongs to the technical field of semiconductor separation and particularly relates to a device of oxygen control growth in processes of producing and separating single crystal silicon. The device is formed by improving a heater, a guiding cylinder and a lower insulation system in a single crystal furnace, the height of a blade of the heater is reduced, the hot source area at the bottom of a crucible is decreased, the bottom of the quartz crucible is heated little and less oxygen in the production process is generated; a sealing guide system is reconstructed, an encryption type guiding cylinder is additionally arranged on an upper cover plate, and can accelerate the cooling speed; and a lower insulation system in the furnace is reconstructed, therefore, the insulation effect of a lower insulation cylinder is reinforced, more oxygen from a crystal and melt interface can be taken away, the oxygen content is reduced and generated boroxol complex is decreased. The invention can effectively reduce generation and retention of the oxygen in the production process and control generation and transportation of the oxygen, reduces the process and the quantity of the oxygen entering a single crystal, and has the advantages of simple structure, low cost and convenient installation, use and operation.

The invention discloses an automatic punching machine for flowerpots. A left guide plate and a right guide plate are arranged, so that the conveying of ceramic bodies can be controlled, and incorrectpunching positions caused by easiness in left-right deviation of the ceramic bodies during conveying are avoided so as not to influence the attractive appearance of the flowerpots; an upper cylinder and a punching cylinder are arranged, so that the punching cylinder is arranged just in the middle of a group of belts I, the punching positions can be determined, the punching force and position are stable by punching by virtue of the punching cylinder, the punching is facilitated, and the punching efficiency can be improved; a lower punching die is arranged, so that the punching impact force canbe relieved, the ceramic bodies can be prevented from being damaged by the punching impact force, and the probability of defective products can be reduced; and a lower cylinder is arranged, a lower cylinder fixing plate and an upper limiting rod can be replaced according to the height of the ceramic bodies, and the height of a lower punching die fixing plate is changed by the lower cylinder, so that the ceramic bodies with different heights can be punched, and the use range of the punching machine is extended.

The invention discloses a continuous paint coating method. The continuous paint coating method mainly comprises the following steps: S1, feeding; S2, discharging and coating; S3, material stopping andcoating; and S4, turbulent flow mixing. The invention discloses continuous paint coating equipment. The continuous paint coating equipment comprises a movable block and a handle mounted on the movable block for matched use, wherein a liquid storage groove and a temporary storage groove are sequentially formed in the movable block from top to bottom; a communicating pipe is arranged between the inner bottom wall of the liquid storage groove and the inner top wall of the temporary storage groove in a communicating mode; a mounting groove is formed in the lower end face of the movable block; a rotating rod is horizontally and rotationally mounted in the mounting groove; a brush roller is in interference fit with the rotating rod; and cams are symmetrically arranged on the rotating rod in a sleeving mode through one-way bearings. When the continuous paint coating equipment is used, paint coating can be continuously carried out, and a worker does not need to carry a paint barrel or repeatedly stoop to dip the paint when carrying out coating work, so that the labor amount of the worker is reduced. Meanwhile, feeding of the paint on the brush roller can be flexibly controlled, use is convenient, and waste of the paint can be avoided.

The invention discloses a small automatic ornamental crab breeding system. The system is characterized in that the system comprises a support, breeding tanks, an automatic feeding device, a water circulation filtration system and auxiliary devices; the automatic feeding device comprises feeding pipes, a feed storage box and a feeding control device; one end of each feeding pipe is connected to the corresponding breeding tank, and the other end of the feeding pipe is connected to the feed storage box; a valve is arranged at the connection of each feeding pipe and the feed storage box; and the valves are switched on / off through the feeding control device. The small automatic ornamental crab breeding system comprises the automatic feeding device, the valves can be switched on / off through the feeding control device, and the feed can be provided in a timing and quantitative manner, so that ornamental crabs can be scientifically bred. The system employs simple devices, the breeding is convenient to carry out, the ornamental crabs can be fed without manual operation, and the labor cost is saved. Furthermore, by employing the water circulation filtration system, the waste of water resources is greatly reduced, the pollution to the environment is reduced, and a good water quality environment can be provided for the ornamental crabs.

The invention discloses an air purification system for a central air conditioner. The air purification system comprises a monitoring module, a control module, a discharging module, an air supply module, a cleaning module, a primary effect purification module and a reaction box. By means of the monitoring module, the cleanliness degree of indoor air is monitored through sensors mounted inside a room. The primary effect purification module is located behind an air returning and air inlet convergence opening of the air conditioner and mainly filters particulate and dust type pollutants. The control module, the discharging module, the air supply module and the cleaning module constitute whole purification equipment. The purification equipment is connected with a main air duct. By means of the purification system, quality of the indoor air can be effectively improved; in addition, the hidden danger of pathogenic bacteria in pipelines of the central air conditioner can be eliminated; the probability of cross infection is reduced; and the healthy and comfortable living and working environment is provided. The air purification system can be used in multiple types of places such as hotels, office buildings, shopping malls, hospitals and subways.

The invention discloses an air purification system for a central air conditioner. The air purification system comprises a monitoring module, a control module, a discharging module, an air supply module, a cleaning module, a primary effect purification module and a reaction box. By means of the monitoring module, the cleanliness degree of indoor air is monitored through sensors mounted inside a room. The primary effect purification module is located behind an air returning and air inlet convergence opening of the air conditioner and mainly filters particulate and dust type pollutants. The control module, the discharging module, the air supply module and the cleaning module constitute whole purification equipment. The purification equipment is connected with a main air duct. By means of the purification system, quality of the indoor air can be effectively improved; in addition, the hidden danger of pathogenic bacteria in pipelines of the central air conditioner can be eliminated; the probability of cross infection is reduced; and the healthy and comfortable living and working environment is provided. The air purification system can be used in multiple types of places such as hotels, office buildings, shopping malls, hospitals and subways.

The invention discloses multifunctional flour wrapping equipment for roasted seed and nut foods. The multifunctional flour wrapping equipment comprises a base plate, a moving mechanism and an adjusting mechanism, wherein the moving mechanism is arranged in the base plate, lifting air cylinders are fixedly connected to the top of the base plate through the moving mechanism, and a lifting block is fixedly connected to the tops of the lifting air cylinders; and the adjusting mechanism is fixedly connected to the top of the lifting block. Through the arrangement of the adjusting mechanism, the spraying range of syrup is conveniently adjusted, the use effect is good, syrup spraying is more uniform, a spray gun is convenient to support, manual hand holding is not needed, the labor intensity is reduced, use is convenient, and besides, safety and sanitation are better achieved; and a movable plate I or a movable plate II moves along with a hydraulic cylinder I or a hydraulic cylinder II; and asliding column slides back and forth, the sliding block, the lifting air cylinders and the lifting block at the top of the sliding column are conveniently driven to move, the left-right distance andthe front-back distance are conveniently adjusted, the syrup is conveniently sprayed, the lifting air cylinders are started to conveniently drive the lifting block and the adjusting mechanism to lift,and practicability is better.

The invention discloses a multi-functional powder-coating equipment for roasted seeds and nuts, which comprises a base plate, a moving mechanism and an adjusting mechanism. The inside of the base plate is provided with a moving mechanism. The top of the cylinder is fixedly connected with a lifting block, and the top of the lifting block is fixedly connected with an adjustment mechanism. Through the setting of the adjustment mechanism, it is convenient to adjust the spraying range of the syrup, the use effect is good, the spraying of the syrup is more uniform, the spray gun is convenient to support, and does not need to be manually held, which reduces the labor intensity. It is convenient to use and more safe and hygienic. Start the hydraulic cylinder one or When the hydraulic cylinder is in the second position, the moving plate 1 or the moving plate 2 will move accordingly, and the sliding column will slide back and forth, which will facilitate the movement of the sliding block, the lifting cylinder and the lifting block on the top of the sliding column, which will facilitate the adjustment of the distance between the left and right and the front and rear, and facilitate the syrup Spraying, starting the lifting cylinder is convenient to drive the lifting block and the adjustment mechanism to lift, and the practicability is better.

The invention discloses kiln tail low-ammonia combustion equipment. The kiln tail low-ammonia combustion equipment comprises a kiln, wherein a smoke exhaust pipe is fixed to the top of the kiln, a kiln body is fixed above the interior of the kiln, the kiln tail is arranged below the kiln body, the kiln tail is fixedly connected with the kiln, a base is fixed to the bottom of the kiln, a main coalsupply pipe is fixed to the outer side wall of the base, a feeding pipe is arranged on the outer side wall of the kiln, and the end, penetrating through the kiln, of the feeding pipe is fixedly connected with the kiln. The invention further discloses an implementation method of the kiln tail low-ammonia combustion equipment. The kiln tail low-ammonia combustion equipment is formed by combining coal spray pipes, gate valves and tee joints, and is small in investment, quick to transform, good in effects and stable and reliable to operate; and combustors change combustion from an original high-oxygen area to a low-oxygen area, so that coal is decomposed into carbon monoxide and other substances, the substances such as carbon monoxide as reducing agents are subjected to reduction reaction withNOx in the kiln, and the use amount of ammonia water is saved by 30%-50% on the original basis after use.