126results about How to "Play a role in stabilizing" patented technology

The invention discloses a voltage converting circuit based on a single inductor and multiple outputs. The voltage converting circuit comprises a first switch tube, a second switch tube, an inductor, a first positive voltage output module and a second positive voltage output module, wherein a first end of the first switch tube receives an input voltage signal, a second end of the first switch tube is connected with one end of the inductor, and the other end of the inductor is connected with a first end of the second switch tube; input ends of the first positive voltage output module and the second positive voltage output module are connected to a common end of the inductor and the second switch tube, and output ends of the first positive voltage output module and the second positive voltage output module serve as corresponding voltage output ends; the first positive voltage output module comprises a third switch tube and a fourth switch tube which are in series-opposing connection; and the second positive voltage output module comprises a fifth switch tube. The voltage converting circuit based on single inductor and multiple outputs has more than two outputs, has wider application range and high energy utilization efficiency, and the outputs have little interaction.

The invention discloses a heavy metal soil sampling device which comprises a top plate, a base plate, a sampling cylinder, a threaded rod, a lifting pedal and a lifting mechanism. The top plate and the left end of the base plate are fixedly connected through a vertical first supporting plate, the right end of the top plate is fixedly connected with the base plate through a vertical second supporting plate, the right end of the base plate extends to the outer side of the second supporting plate, and a vertical holding rod is fixed on the upper end face, a fixed pedal is fixedly welded to the front side of the left end of the base plate, the sampling cylinder passes through the top plate and the base plate and is vertically arranged, the right side of the sampling cylinder is provided with the threaded rod, the threaded rod passes through the bottom end of the base plate and is rotatably connected with the top end face of the base plate through a bearing block, the threaded rod is sleeved with a spiral sleeve, the spiral sleeve is fixedly connected with a lifting pedal, and the bottom end face of the lifting pedal is fixedly connected with a lifting mechanism. The heavy metal soil sampling device is ingenious in structural design, saves time and labor, and can be widely used.

The invention discloses a method and device for recycling carbon disulfide from hydrogen sulfide tail gas during preparation of carbon disulfide. The method comprises the steps that the hydrogen sulfide tail gas containing carbon disulfide is introduced into a waste gas collector during preparation of carbon disulfide; the hydrogen sulfide tail gas which contains carbon disulfide and is contained in the waste gas collector is fed into a hydrogen sulfide compressor, the pressurized hydrogen sulfide tail gas containing carbon disulfide is fed into a condenser for condensation, liquid hydrogen sulfide is recycled, and gas hydrogen sulfide is conveyed into a hydrogen sulfide conveyance pipe to enter the hydrogen sulfide treatment process. The device comprises the waste gas collector, the compressor, the condenser, a carbon disulfide collector and the hydrogen sulfide conveyance pipe. According to the whole technology system, waste and sewage are not generated, so that carbon disulfide industrial production meets technological conditions of totally clean production, and production consumption is reduced to the maximum extent.

The invention relates to the technical field of urban greening construction, and discloses a grass planting ditch based on sponge cities. The grass planting ditch comprises a groove, and a permeable layer is laid at the bottom of the groove. A sand layer is laid at the top of the permeable layer; a planting soil layer is laid at the top of the sand layer; a covering layer is laid at the top of theplanting soil layer; and a water storage layer is laid at the top of the covering layer. Blocking boxes located on the ground are fixedly mounted on the two sides of the groove, and each blocking boxis internally provided with a cavity. The grass planting ditch based on the sponge cities fixedly communicates with a connecting pipe through an overflow connector, and therefore ponding in the groove can flows into an overflow pipe through drainage holes, so that centralized treatment and ecological purification of urban sewage is facilitated; a locking plate drives a pulling rod to rise, and therefore the pulling rod drives fixing round plates and slide blocks to move up and down along slide grooves, so that a filter screen is convenient to take out, and the problem that efficacy of the grass planting ditch is lowered due to the overflow pipe being blocked by mass impurities during long term drainage is avoided.

Provided are anti-rolling water tanks with side ports and an anti-rolling method thereof. One or more pairs of the anti-rolling water tanks are arranged on the left side and the right side of the bow and / or the stern; each water tank comprises a compartment, the right side port and the left side port, the top of each compartment is provided with a compartment roof, and a water tank exhaust pipeline and a water tank drainage pipeline are arranged on the upper portion of each compartment roof; the left side ports of the port and the right side ports of the starboard are arranged above the hull waterline, the right side ports and the left side ports are connected with hull sides through rotating shafts, the right side ports and the left side ports can be opened or closed freely through the rotating shafts, after the right side ports and the left side ports are closed, the water tanks have the water-resisting property, and the water tank exhaust pipelines and the water tank drainage pipelines are arranged on the upper portions of the water tanks; the hull is internally provided with a rotor, the rotating shafts, a driving shaft, a control shaft, a pressure sensor, a controller and an angular speed gyroscope, wherein the rotating shafts are driven by the rotor to rotate, the rotor drives the control shaft through the driving shaft, the driving shaft is perpendicularly meshed with the control shaft, the pressure sensor is located below the portion, near the corresponding rotating shaft, of the water tank of the side of the hull, the angular speed gyroscope is connected with the controller, and the rotor, the pressure sensor and the angular speed gyroscope are all connected with the controller.

A gas filter comprises a shell (1). An outlet (3) is formed in the upper end of the shell (1). An inlet (4) is formed in the lower end of the shell (1). The communication position of the inlet (4) and the communication position of the outlet (3) in a filter cavity are provided with a first annular protrusion (5) and a second annular protrusion (6) respectively. The inlet (4) is communicated with the filter cavity (2) through the first annular protrusion (5). The outlet (3) is communicated with the filter cavity (2) through the second annular protrusion (6). A partition piece (7) is arranged between the first annular protrusion (5) and the second annular protrusion (6). At least two first protrusions (8) are arranged at the lower end of the partition piece (7). At least two second protrusions (9) are arranged at the upper end of the partition piece (7). The free end of the first annular protrusion (5) and the free end of the second annular protrusion (6) are each provided with a radial through groove (10). Compared with the prior art, the gas filter has the advantages of aiming at bottled gas and being not prone to blockage and high in use stability.

The invention discloses spring piece and mesh loading process equipment, relating to the technical field of injection molding process equipment. The process equipment comprises a bottom plate and a push plate, which are superposed together, wherein a plurality of spring piece locating pins are vertically installed on the bottom plate; the end of each spring piece locating pin passes through the push plate and protrudes out of the push plate; mesh suckers are also arranged on the bottom plate; mesh joint surfaces are arranged on the mesh suckers; a plurality of air holes are formed in the mesh suckers; one end of each air hole is arranged on the mesh joint surfaces and the other end is communicated with an air source; a bottom plate through hole is formed in the bottom plate and is used for driving a driving mechanism, moving in the vertical direction, of the push plate to pass through the bottom plate through hole. The spring piece and mesh loading process equipment has the effect of solving the technical problems of poor injection molding spring piece and mesh loading precision and low stability in the prior art, has high loading precision, high production stability and a simple structure and is low in production cost.

The invention provides an oil supply system of a saddle-shaped gasoline tank. The oil supply system comprises the saddle-shaped gasoline tank, a fuel pump, a siphoning mechanism and a siphon. A main gasoline tank body is arranged on one side of the gasoline tank, and an auxiliary gasoline tank body is arranged on other side of the gasoline tank. The fuel pump is arranged in the main gasoline tank body and conveys gasoline in the main gasoline tank body to an engine. The siphoning mechanism is arranged in the auxiliary gasoline tank body. One end of the siphon is communicated with the siphoning mechanism, the other end of the siphon is communicated with the main gasoline tank body, and therefore gasoline in the auxiliary gasoline tank body can be conveyed to the main gasoline tank body. The oil supply system further comprises an oil return pipe. One end of the oil return pipe is communicated with a high-pressure oil rail of the engine, and the other end of the oil return pipe is communicated with the siphoning mechanism. The oil supply system of the saddle-shaped gasoline tank is simple in structure, low in cost and high in stability.

The invention discloses an infrared signal processing circuit capable of reducing disturbance and relates to the technical field of infrared signal circuits. The infrared signal processing circuit capable of reducing the disturbance comprises an operation amplifier U6-A, the non-inverting input end of the operation amplifier U6-A is electrically connected with an infrared signal input end IR_SIG_IN, and the output end of the operation amplifier U6-A is electrically connected with a first voltage stabilization filtering circuit. The first voltage stabilization filtering circuit comprises a resistor R14 with two ends electrically connected with the inverting input end and the output end of the operation amplifier U6-A. The first voltage stabilization filtering circuit further comprises a diode D5 with an anode electrically connected with the output end of the operation amplifier U6-A. A cathode of the diode D5 is electrically connected with the inverted input end of the operation amplifier U6-A. The output end of the operation amplifier U6-A is further electrically connected with an infrared signal output end IR_SIG_OUT. The infrared signal processing circuit effectively removes disturbance signals, increases a radiation distance of infrared signals and improves the radiation performance of the infrared signals.

The invention belongs to the technical field of transformers, and particularly relates to an intelligent temperature and humidity regulating system for a transformer. The intelligent temperature and humidity regulating system comprises a master control module, a sensor interface module and a temperature and humidity regulating module, wherein the sensor interface module is connected with the master control module; the master control module is connected with the temperature and humidity regulating module. A sensor interface is connected with a plurality of sensors, the temperature and humidity in the transformer are monitored by utilizing the sensors, the information is transmitted to a master control chip for processing, then the temperature and humidity regulating module is controlled by the master control chip, a control signal is transmitted to a temperature and humidity controller, and then the temperature and humidity in the transformer are controlled, so that electrical apparatus elements in the transformer operate in a good environmental condition, the service life of the transformer is prolonged, and the cost is reduced.

The invention relates to an overvoltage-controlled LED constant current circuit. An RC filter circuit is connected with a voltage stabilizing circuit; a first current limiting branch circuit and a second current limiting branch circuit of a current limiting current are connected in series; the first current limiting branch circuit is connected with the voltage stabilizing circuit; the first current limiting branch circuit and the second current limiting branch circuit are respectively connected with a first LED concatenated branch circuit and a second LED concatenated branch circuit; an overvoltage circuit is connected with the RC filter circuit; the grid of an MOS tube Q5 is connected with a junction of a resistor R22 and a resistor R23; the source of the MOS tube Q5 is earthed; the base of a triode Q1 of a constant current source driving circuit is connected with the drain of the MOS tube Q5; the emitter of the triode Q1 of the constant current source driving circuit is connected earthed through a resistor R25; the collector of the triode Q1 of the constant current source driving circuit is connected with the first LED concatenated branch circuit; the base of a triode Q2 is connected with the drain of the MOS tube Q5; the emitter of the triode Q2 is connected earthed through a resistor R27; the collector of the triode Q2 is connected with the second LED concatenated branch circuit; a voltage stabilizing tube D5 is connected between the base of the triode Q1 and the resistor R25. According to the overvoltage-controlled LED constant current circuit, the circuit is simple; the overvoltage protection effect on an LED lamp group can be achieved; the luminous efficiency of the LED lamp group is improved; the service life of the LED lamp group is prolonged.

The invention relates to the technical field of novel water valve devices, in particular to a water pipe valve control device which comprises a water control mechanism and a valve control mechanism, wherein the valve control mechanism is vertically mounted at the top of the water control mechanism. The water pipe valve control device has the beneficial effects that a water passing channel positioned at the middle of a valve core is controlled by adopting a valve plate; the internal pressure of a water pipe changes and different pressure is applied to one side of the valve plate; the valve plate is controlled by a spring to move, so that the size of a hole between the valve plate and the valve core can be controlled, the flow rate of the water passing channel positioned at the middle of thevalve core can be controlled, the internal flow rate of the water pipe can be stabilized, and the pressure stabilizing effect can be achieved; the valve core and a control valve core are jointly controlled by adopting a driving motor to open and close as well as the driving motor is controlled by a hydraulic cylinder to drive the control valve core, so that the working efficiency can be improvedand the whole structure can be simplified; and the water pressure on two sides of the valve core is balanced by adopting a communicating pipe before the valve core is opened, so that the smooth opening of the valve core can be facilitated and the valve core can be smoothly driven by the driving motor to open.

The invention discloses a drainage water quality energy recovery system for thermal equipment and pipelines of a thermal power plant. The drainage water quality energy recovery system for thermal equipment and pipelines of the thermal power plant comprises a turbine low-pressure steam extraction regenerative system and a heat engine drainage system, the low-pressure steam extraction regenerative system is connected with the heat engine drainage system, a low-pressure heater drainage pump regenerative system comprises a low-pressure heater drainage pump pipeline, and a drainage pump and a secondary last-stage low-pressure heater are arranged on the low-pressure heater drainage pump pipeline. The drainage pump is connected in series with the secondary last-stage low-pressure heater to form adrainage pump branch; the heat engine drainage system comprises a drainage flash tank and a condenser. The steam space of the drainage flash tank is connected with the steam space of the condenser through a first steam exhaust pipeline. The water space of the drainage flash tank is connected with a condenser hot well through a first drainage pipeline; the steam space of the drainage flash tank isconnected with the secondary last-stage low-pressure heater through a second steam exhaust pipeline; and the water space of the drainage flash tank is connected with an inlet pipeline of the drainagepump through a second drainage pipeline. Drainage water can be recycled to a condensation water system, the heat load of a condenser is reduced, and the back pressure behind a thermal drain valve ofa power plant is improved.