36results about How to "Reduce boost" patented technology

A hearing optimization device and hearing optimization method having a high boost frequency characteristic reference live for high frequency range enhancement and a low boost frequency characteristic reference live for low frequency range enhancement to achieve separate gain control of input audio signal according to frequency. An audio signal processing and generating means is also included, along with synthesized audio signal output structure.

The invention relates to a low-power rapid-boost FLASH charge pump control circuit. The low-power rapid-boost FLASH charge pump control circuit comprises a programming erase control circuit, a voltage regulating circuit, a voltage reducing circuit, a clock generating circuit, a four phase clock circuit, a charge pump and a voltage stabilizing circuit. The voltage reducing circuit is divided into two paths, one path is used for quick start and works when the output voltage of the charge pump is low, the other path is used for the voltage trimming of the charge pump and works when the output voltage of the charge pump approaches a target value, and the voltage reducing circuit reduces the voltage through a reverser biased diode and a forward biased diode in order to reduce power consumption; the clock generating circuit is used for generating a clock required by the work of the charge pump, the frequency of the clock is adjustable, and in the early start stage, the clock runs in a fastest frequency within an adjustable range, and the voltage of the charge pump fast rises; and when the voltage of the charge pump approaches the target value, the clock frequency is trimmed according to the feedback voltage of the charge pump in order o maintain the voltage of the charge pump in a reasonable range. The control circuit reduces the power consumption of a Flash memory and increases the programming erasing speed of the Flash memory.

The invention discloses an underground arrangement process based on coal gangue photoelectric separation. A coal mine underground modular compact efficient separation system is constructed, full-size-fraction separation of +35mm raw coal is realized, traditional coal gangue photoelectric separation equipment is adopted for 35mm-150mm, and novel coal gangue photoelectric separation equipment is adopted for + 150mm; the coal gangue can be accurately positioned through a chain conveyor belt, and a clean coal electromagnetic valve and a gangue electromagnetic valve are respectively arranged, so that the problems of large gravity and insufficient throwing path of large-block materials are sufficiently solved. Process links of coal mining, raw coal preparation, coal gangue photoelectric separation, gangue backfilling and the like are accurately matched and collaboratively optimized, gangue can be discharged from an underground source of a coal mine, the gangue lifted to the ground is reduced, the transportation and filling cost is saved, and the environment-friendly requirement is met. Meanwhile, the coal gangue in the underground coal mine is efficiently sorted, the gangue lifting amount can be reduced, the mining amount and the production efficiency of the coal mine are effectively improved, and technical support is provided for coal mine underground mining-washing-filling cooperative operation.

A harmonic mitigating device for connection between a power distribution system and the load uses a magnetic shunt to control the levels of magnetic coupling between different elements of the device while providing all windings on a single core. This allows for the reduction or elimination of the harmonic MMF induced in the line winding of the device, and as a result the reduction of harmonic currents flowing into the power supply system; and the reduction of the line winding inductance, which in turn reduces the voltage boost of the device under the no-load conditions, reduces the voltage drop at full load conditions and increases the stability of the drive. The invention serves to reduce ripple level in rectifier outputs and buffers transient overvoltages, and a single configuration works with any rectifier type, including SCR bridges.

The invention discloses an organic cultivating soil and its preparation method. The moisture content of the cultivating soil is 15-30% (w / w), the ratio of carbon to nitrogen (C / N) is 15-25, the removal rate for removing pathogens, eggs and grass seeds is larger than or equal to 99%. The preparation method of the organic cultivating soil is to disinfect the soil and remove eggs and grass seeds during the high fermentation temperature period of waste biological organic compost, and comprises three processes of raw material pretreatment, mixed fermentation and aging, wherein the raw material pretreatment includes the treatment of garden soil and the treatment of waste biological organic matter. The cultivating soil provided by the invention contains multifarious nutriments which are necessary for the growth of plants, has high removal rate of pathogens, grass seeds and eggs; in addition, wastes are reused during the preparation process so as to change waste into valuables and protect environmental health.

The objective of the invention is to provide a cap for drink container and drink container, capable of effectively preventing ejecting of drink from drink port caused by raising internal pressure and easy to decompose and clean. The invention, characterized in that, has a cap body mounted on the opening of the container body with watertight and a sucker with flexibility, the cap body has a screening part for separating inside and outside of the container; by bending and extending the sucker to open and close valve device of internal channel and venthole device of the venthole provided on the screening part, the sucker runs through in the screening part after making watertight around the sucker.

Apparatus and method for improving the fuel efficiency of a 10 kW Tactical Quiet Generator (10 kWTQG) diesel generator in the field. The apparatus includes a small turbocharger adapted to operate at very low boost and a low back pressure exhaust system. The turbocharger provides between approximately 0.5 and 3 pounds of boost over the 10 kWTQG normal operating range. No modifications are required to the 10 kWTQG fuel injection and governor system. The design of the low back pressure exhaust takes advantage of the narrow RPM range of the 10 kWTQG, and when combined with the turbocharger, meets or exceeds ambient noise level requirements. The apparatus is field installable by personnel of general skill levels present for operation of the 10 kWTQG.

The invention relates to a constant-speed buffer discharge valve, which comprises a lower valve body, middle valve body, float rod, small valve pin, cover plate, lower slide rod, upper slide rod, compress sensitive spring, film, and valve cover, wherein the float is hinged with one end of float rod; the float rod via the axle of middle valve body is hinged to the middle valve body; the float is inside the protective cylinder inside the lower valve body; the cover plate is connected to the lower sliding rod; the upper sliding rod, the film lower compress rod, the film and the film upper compress plate are integrated, to form control element with the compress sensitive spring; the film is compressed via valve cover on the middle valve body; the tube via current-limit connector is through to the inner chamber of hydraulic cylinder on the middle valve body and the valve cover; the small discharge cap is screwed on the middle valve. The invention is characterized in that: it uses float lever to control the switch of large gas outlet, whose open degree changes along the pressure of tube, to realize full-automatic stable-pressure ventilation.

The invention relates to a mountainous area unpowered algae biological rotating disc sewage treatment system. The system comprises a grating adjusting tank, an algae biological rotating disc and an inclined plate sedimentation tank; the system is constructed in a stepped mode from high to low according to mountainous terrain, the algae biological rotating disc comprises a waterwheel and biologicalrotating discs, and the waterwheel is arranged in the middle of the algae biological rotating disc, the biological rotating discs are distributed on the two sides of the waterwheel, and the waterwheel is connected with the biological rotating discs through bearings; a water outlet pipe is arranged above the waterwheel, the waterwheel is impacted by water flow, and the waterwheel drives the biological rotating discs to rotate through the bearings; green algae are inoculated in the biological rotating discs, and a bacteria-algae symbiotic system is formed on the biological rotating discs. The sewage treatment system has the beneficial effects of simple structure, investment saving, good treatment effect, small occupied area, no need of electric power, no power, no operation cost, no need ofspecially-assigned person management and the like, and is quite suitable for meeting the use requirements of domestic sewage treatment in rural areas and villages and towns in remote mountainous areas which cannot ensure electric power supply and have relatively backward economic conditions.

The invention discloses a combined super-fine crusher. The combined super-fine crusher comprises a speed reducer, a vertically arranged main shaft, an upper jacket, an outer taper sleeve, a movable taper sleeve and a grinding base support sleeve, wherein a power output end of the speed reducer is in transmission connection with the main shaft; the movable taper sleeve and the grinding base support sleeve are in key connection with the main shaft from top to bottom respectively; the upper jacket is arranged outside the outer taper sleeve; the outer side of the movable taper sleeve is provided with a movable conical tooth plate; the inner side of the outer taper sleeve is provided with an outer conical tooth plate; an annular crushing cavity with a wide top and a narrow bottom is formed between the movable conical tooth plate and the outer conical tooth plate; the outer side of the grinding base support sleeve is provided with a grinding base provided with sieve pores; and a grinding device is arranged above the grinding base. The combined super-fine crusher finishes crushing in a plurality of stages according to a brand new design concept, applies forces according to different types, selects materials according to the forces, realizes controllable low speed and completes thick, medium, fine and super-fine crushing in one machine. The combined super-fine crusher has the characteristics of high energy efficiency, low abrasion wear, vibration-free property, low noise and remarkable social and economic benefits.

The invention relates to an electric automatic control system of a boiler dust removal pneumatic transmission system. The electric automatic control system comprises a PLC (programmable logic control) system 1, an IPC (industrial personal computer) DCS (distributed control system) e, a Roots blower motor 3, a pressure transmitter 4, a low level gauge 5, a pneumatic reversing valve 6, a high level gauge 7, a pressure release valve 8, a pulse jet pocket type bin dust cleaner pulse valve 9, a pulse jet pocket type bin dust cleaner draft fan motor 10, a low level gauge 11, a pneumatic gate valve 12, a signal transmission cable 13, a weighing sensor 14 and a mass flowmeter 15. The electric automatic control system of the boiler dust removal pneumatic transmission system is characterized by being integrally controlled by the PLC system 1 and performing adjustment on pipeline equipment according to a material-to-gas ratio of 28-30. The electric automatic control system of the boiler dust removal pneumatic transmission system has the advantages of achieving action linkage of relevant parts during a control process to perform actions automatically, ensuring optimized control of the material-to-gas ratio during a transmission process, reducing the air volume and the pressure boost of a Roots blower and further greatly reducing comprehensive energy consumption.

The invention provides compact modular concrete stirring equipment. The compact modular concrete stirring equipment comprises a storage material module, a material weighing and batching module, a stirring main machine module and a concrete lifting and discharging device, and due to the concrete lifting and discharging device can raise the concrete to a high position, so that the stirring main machine module can be lowered to the ground for installation, so that the height of a stirring station is greatly reduced. The stirring main machine is lowered to the ground for installation through the deformation design, then the concrete is lifted and discharged through a concrete lifting discharging trolley, the height of the main body is further reduced; the structure of a powder material storagebin adopts a large-diameter vertical cylindrical bin structure, so that the height of the powder material storage bin is reduced, the height of the whole stirring station is greatly reduced, If the construction site has a factory building, the equipment can be arranged in the factory building, the factory building heating can solve the stirring of concrete in winter in the severe cold area, a dust removal device is arranged on the factory building, namely, and the dust removal device can effectively solve the problem of environmental pollution caused by flying dust.

The invention discloses a photometric sorting process for coal gangues arranged in a coal mine underground roadway. According to the photometric sorting process for the coal gangues arranged in the coal mine underground roadway provided by the invention, on the basis of the development of an existing technology, by breaking through a traditional ground stacking type arrangement idea and optimizingspace-time connection of various working units in a process flow, a coal mine underground modular compact type high-efficiency sorting system is built, process steps such as coal mining, raw coal preparation, coal gangue photometric sorting, and gangue backfilling are accurately matched and cooperatively optimized, so that the coal mine underground modular compact type high-efficiency sorting system is suitable for a coal mine with the content of +150mm particle size in raw coal being below 10 percent and a brittle coal property, the coal mine underground gangues can be discharged from the source, the number of the gangues lifted to the ground is reduced, the transporting and filling cost is saved, and an environmental requirement is met. Meanwhile, according to high-efficiency sorting ofthe coal mine underground gangues provided by the invention, the gangue lifting amount can be reduced, the mining quantity and the production efficiency of a coal mine are effectively improved, and atechnical support is provided for coal mine underground mining-washing-filling cooperation work; and meanwhile, the sorting process provided by the invention has no special requirements on the coal mine underground roadway and a chamber, and is suitable for an underground narrow chamber space.

In this ignition device (1), a first switching unit (8) imparts a voltage between the electrodes of a spark plug (2) by means of turning on / off the electrification from a vehicle-mounted battery (17) to a primary coil (5A). Also, a second switching unit (10) imparts, in the same direction as that generated by means of the turning on / off of the first switching unit (8), a voltage between the electrodes of the spark plug (2) by introducing electrical energy stored at a voltage boosting circuit (9) to a primary coil (5B). As a result, it is possible for the complexity of turning on / off the first and second switching units (8, 10) to be reduced to a greater degree than has been conventional.

The invention relates to environment-friendly asphalt concrete mixing equipment, which includes drying that inn cylinder, stirring drum, the drying inner cylinder and the stirring outer cylinder are connected with each other through a rotatable sealing structure, A drying inn barrel is rotatably movable relative to that stirring outer barrel, A material discharge box is arrange at that rear end outside the stirring, The rear end of the drying inner cylinder is fixedly connected with one end of a plurality of supporting rods, the other end of the supporting rods is fixedly connected with the stirring shaft, the central axis of the stirring shaft coincides with the central axis of the stirring outer cylinder, the rear end of the stirring shaft is assembled on the outer wall of the discharging box through bearings, and a plurality of stirring devices are installed on the stirring shaft; The invention combines the drying drum with the forced stirring, which is small in volume, convenient to carry, plays the role of drying and stirring, improves the stirring effect, shortens the process flow and accelerates the construction progress.

The invention relates to a sewage treatment assembly, in particular to an external microfiltration membrane container, which consists of an upper end cover, a lower end cover, an inner tube, an outer tube and a base and is characterized in that the upper end cover and the lower end cover are sheathed on the upper end and the lower end of the outer tube, the inner tube is fixed in the outer tube through the base, the bottom of the inner tube is directly communicated out of the tube, the upper end cover is provided with a through hole, and a filter membrane is arranged on the inner tube. The installation, the maintenance and the cleaning of membrane elements of the external microfiltration membrane container are convenient, the membrane elements are placed outside a bioreactor, the advantage of low operation energy consumption of the microfiltration membrane in a membrane biological reactor (MBR) membrane is maintained, and the external microfiltration membrane container also has the characteristics that the maintenance of an external membrane is convenient, the operation is neat, and the like.

The invention relates to a torque flange calibration device, which solves the problems of low precision and poor field operation practicability of a torque flange calibration mode, and comprises an adjusting weight, an upper arm lever bracket, an upper arm lever, a lower arm lever, an arm lever adjusting assembly, an upper arm lever weight support rod and a lower arm lever weight support rod, wherein the upper arm rod is hinged with the upper arm rod bracket; the two ends of the upper arm rod are fixedly connected with one end of the upper arm rod weight supporting rod and one end of the arm rod adjusting assembly respectively; a torque flange adapter is arranged in the axial center of the lower arm rod; and the two ends of the lower arm rod are fixedly connected with the lower arm rod weight supporting rod and the other end of the arm rod adjusting assembly respectively; the arm rod adjusting assembly adjusts the upper arm rod and the lower arm rod to be parallel to each other; the end parts of the upper arm lever weight supporting rod and the lower arm lever weight supporting rod are used for placing calibration weights, and applying vertical downward force to the upper arm rod and the lower arm rod; and the weight of the arm rod adjusting assembly is equal to the sum of the weights of the upper arm rod weight supporting rod and the lower arm rod weight supporting rod. The method has low requirements on calibration space, reduces a weight lifting device, and is low in cost.

The invention discloses an underground parking space, which comprises the following parts: pit-type parking space, automobile entrance and exit, wherein the automobile entrance and exit are set on two ends of underground parking space vertically; the automatic vehicle-in device is set in the automobile entrance and the automatic vehicle-out device is set in the automobile exit; the height of pit-type parking space is more than two automobile overlapped height; several lift-type parking devices are set in the pit-type parking space to lift the automobile in the space.

The invention discloses a universal solar control system, comprising a solar charging circuit, a battery pack, a photovoltaic panel, a battery detecting circuit, a working power supply control circuit, an infrared receiving circuit, a radar sensing circuit, an MCU, an output boosting constant current control circuit, and an indicating circuit, wherein the solar charging circuit is respectively connected with the battery pack, the photovoltaic panel and the battery detecting circuit, the photovoltaic panel and the battery detecting circuit are connected with the MCU, the MCU is respectively connected with the working power supply control circuit, the infrared receiving circuit, the radar sensing circuit, the output boosting constant current control circuit and the indicating circuit, and the output boosting constant current control circuit is connected with an LED load. The system adopts the high-speed MCU, in combination with an auxiliary boosting circuit and the output boosting constant current control circuit, to avoid a flashing light phenomenon generated when the change of a battery voltage needs to be changed in a lamp turning on process by using a simple but quite intelligentprocessing manner in a process of implementing constant current output, and reduces dedicated constant current IC circuits added for input battery boosting or output, thereby greatly reducing the system cost.

This invention relates to the field of industrial mechanical drive, and provides a rapid material hoister used for large-scale construction. The rapid material hoister comprises a base, an electrical system and a support beam which is vertically fixed with the base. Two vertical fixed guide rail frames are equipped on the base. A peak beam frame is arranged at the top portion of the guide rail frame. A hoisting cage component is disposed between the left guide rail frame and the right guide rail frame. The hoisting cage component is connected with the peak beam frame via a steel rope and pulleys. A load lifting limiter is equipped on one side connected with the hoisting cage component of the pulley which is mounted at the top portion of the right peak beam frame, and the other side is connected with a counterweight box via the steel rope. A lifting traction machine is connected with the pulley disposed at the top portion of the left peak beam frame via the steel rope. The lifting traction machine is mounted on the base and is connected with the electrical system. Compared with the traditional material hoister, the rapid material hoister is higher in efficiency and lower in energy consumption. Meanwhile, the developed counterweight box enables the force to be even during operation. The lifting speed is increased to 25 m per minute from 11 m per minute, and the energy consumption is reduced by 1 / 3 compared with a winding machine. The rapid material hoister is environment friendly and energy saving.

The invention belongs to the technical field of rectifying circuits, and relates to a rectifying circuit suitable for low-voltage alternating current input and high-voltage direct current output. The rectifying circuit comprises an interlaced totem pole PFC topological circuit, an interlaced push-pull resonant soft switch topological circuit and an n-shaped filter circuit; the interlaced totem pole PFC topological circuit is electrically connected with the n-shaped filter circuit; and the n-shaped filter circuit is electrically connected with the interlaced push-pull resonant soft switch topological circuit. According to the rectifying circuit suitable for low-voltage alternating current input and high-voltage direct current output, by means of the interlaced totem pole PFC topological circuit and the interlaced push-pull resonant soft switch topological circuit, low-loss rectifying and boosting of large current are achieved, and meanwhile distributed diversion is achieved, input and output high-frequency ripple current is reduced, filtering parameters are reduced, power density and conversion efficiency are improved, cost expenditure related to the circuit is reduced, and production benefits of enterprises can be increased.

According to the ignition device (1), the first switch unit (8) applies voltage between electrodes of the spark plug (2) by switching on and off the energization from the vehicle battery (17) to the primary coil (5A). In addition, the second switch unit (10) supplies the electric energy stored in the booster circuit (9) to the primary coil (5B), and the electric energy passing through the first switch unit (8) is applied between the electrodes of the spark plug (2). A voltage in the same direction as the voltage generated by on-off. As a result, the complexity of switching the first and second switch parts (8, 10) can be significantly reduced compared to conventional ones.

The invention particularly relates to a medicament liquid-storage system and a working method thereof. The system and the working method are applied to a comprehensive medical feeding room of a water purification plant and have functions of quality adjusting and homogenizing. The liquid-storage system is composed of a liquid storage tank, a feeding port, a liquid outlet pipe and a clean water drawing system. The feeding port and the liquid outlet pipe are both communicated with the liquid storage tank, the clean water drawing system is located in the liquid storage tank or above the liquid storage tank and is formed by a water-inlet pipe and a water distribution pipe, the water distribution pipe is communicated with the water-inlet pipe, and water-outlet holes are arranged on the water distribution pipe. The medicament liquid-storage system and the working method of the medicament liquid-storage system have the advantages that the functions of quality adjusting, homogenizing, storage and the like are completely achieved in the liquid storage tank, components of a medical feeding system are simplified, and engineering investment is reduced. In addition, by arrangement of homogenizing water distribution and a backflow system of the clean water drawing system, medicament can be stably stored and precisely fed.

The underwater weapon launching power device of the present invention is an accumulator-driven hydraulic motor and a rotary pump. Before the underwater weapon is launched, the motor is started, and under the action of the hydraulic pump, the hydraulic oil in the oil tank passes through the hydraulic pump, the first one-way valve , the spherical stop valve flows into the gas accumulator; the pressure gauge switch is connected with the pressure gauge, and the other end of the pressure gauge switch is connected with the outlet of the first one-way valve; when the reading of the pressure gauge reaches the preset value, it is closed Electric motor; when launching an underwater weapon, the electro-hydraulic reversing valve is energized to act, and the high-pressure oil in the gas accumulator enters the high-pressure port of the hydraulic motor through the spherical stop valve and the electro-hydraulic reversing valve, driving the hydraulic motor and driving it to rotate The water pump rotates at an accelerated speed, the inlet of the rotary water pump is connected with the seawater, the outlet of the rotary water pump is connected with the launch tube of the water cabin, and the large flow of seawater is output from the rotary water pump to the launch tube of the water cabin, and the underwater weapon is pushed out of the tube. The underwater weapon launching power device of the invention has low noise, low manufacturing cost and can avoid cabin pressurization.

The invention discloses a fault processing method of a speed measuring motor in an SSB (Single Side Band) variable pitch motor, i.e. the speed measuring motor can be independently replaced. Compared with a previous method for directly replacing a variable pitch motor, the method disclosed by the invention is economic, effective, convenient and quick, the cost consumption of spare parts is greatly reduced, and the working amount and the working time are reduced.

The invention relates to an electric automatic control system of a boiler dust removal pneumatic transmission system. The electric automatic control system comprises a PLC (programmable logic control) system 1, an IPC (industrial personal computer) DCS (distributed control system) e, a Roots blower motor 3, a pressure transmitter 4, a low level gauge 5, a pneumatic reversing valve 6, a high level gauge 7, a pressure release valve 8, a pulse jet pocket type bin dust cleaner pulse valve 9, a pulse jet pocket type bin dust cleaner draft fan motor 10, a low level gauge 11, a pneumatic gate valve 12, a signal transmission cable 13, a weighing sensor 14 and a mass flowmeter 15. The electric automatic control system of the boiler dust removal pneumatic transmission system is characterized by being integrally controlled by the PLC system 1 and performing adjustment on pipeline equipment according to a material-to-gas ratio of 28-30. The electric automatic control system of the boiler dust removal pneumatic transmission system has the advantages of achieving action linkage of relevant parts during a control process to perform actions automatically, ensuring optimized control of the material-to-gas ratio during a transmission process, reducing the air volume and the pressure boost of a Roots blower and further greatly reducing comprehensive energy consumption.