30results about How to "Intelligent speed control" patented technology

The invention relates to a notebook computer heat dissipation pad capable of cooling, comprising an air blowing fan, an air sucking fan and a semiconductor cooling piece. Meanwhile, an LED desk lamp, a button and a liquid crystal display are integrated on the heat dissipation pad. According to the invention, the air flow for performing heat dissipation inside the notebook computer is greatly increased; the heat dissipation capability of a heat dissipation base is improved; in addition, night illumination can be provided; a USB extension interface is provided; and a working status of the heat dissipation pad is displayed on the liquid crystal display in real time, thereby significantly improving user experience.

The invention provides a variable-frequency refrigerator and a control method thereof. The variable-frequency refrigerator comprises a box body and a door body, a chamber is arranged in the box body,a first temperature sensor is used for detecting the ambient temperature; a second temperature sensor is used for detecting the actual temperature of the chamber; a humidity sensor is used for detecting the ambient humidity; and the first temperature sensor, the second temperature sensor, the humidity sensor and the compressor are correspondingly connected with a compressor and a control panel; the refrigerator is in a normal operation state, the control panel is used for acquiring the temperature difference between the actual temperature of the chamber and the preset temperature of the chamber, and the control panel controls the rotating speed of the compressor according to the ambient temperature, the ambient humidity and the temperature difference value.

The invention relates to a vacuum system used in semiconductor and LED preparation processes and particularly relates to a vacuum system for efficiently pumping gases with small molecular weights. The vacuum system comprises a controller, a first-grade vacuum pump and a plurality of second-grade vacuum pumps, wherein the first-stage vacuum pump is connected with the second-stage vacuum pumps; both the first-stage vacuum pump and the second-stage vacuum pumps are connected with the controller; and the first-stage vacuum pump is connected with a process vacuum chamber. The plurality of second-stage vacuum pumps are connected with the first-stage vacuum pump after being connected in parallel. By using the vacuum system, more gases with low molecular weights can be carried within unit time, and the backflow of the gases with low molecular weights can be reduced, so that the gases with low molecular weights are efficiently pumped.

The invention provides a novel intelligent biological particle heating system. The system comprises a stove entity, a water circulation system, a communication system and an intelligent control system. The stove entity is further constituted by a feeding system, a combustion system, a temperature acquisition system, a remainder monitoring system, a fire alarm system and the like. When the stove entity works, a user only needs to set the necessary temperature through a control panel, and the intelligent control system heats fuel to ignite the stove entity through an electrical heating rod and controls the running-stopping time ratio of a feeding motor as well as the revolving speed of a draft fan and a circulating water pump through error values of temperature sampling values and set values, so that the accurate control over the indoor temperature is achieved. According to the novel intelligent biological particle heating system, biological particles such as straw serve as the fuel, and the heating cost is reduced; the intelligent control system automatically controls the feeding and the combustion degree, the complicated and overloaded degree of manual operation is reduced, problems of insufficient experience and the like are solved, and the accident rate of carbon monoxide poisoning and the accident rate of fire hazard occurrence are reduced. The system is grafted to the Internet through the wireless communication mode Zigbee, and it is facilitated to achieve the remote intelligentized control.

The invention discloses an automobile engine cooling fan blade rotating speed control system which comprises a cooling fan and an electronic control unit (ECU) for controlling a cooling fan motor. The control system further comprises a temperature collection unit arranged on an engine water tank. The temperature collection unit is connected with the ECU. By the adoption of the structure and method, the automobile engine cooling fan blade rotating speed control system has the advantages that the water temperature signals of the engine water tank are collected in real time, the cooling fan blade rotating speed is intelligently controlled, it is ensured that water temperature is relatively stable, and the fan performance is optimized, and the cost is reduced.

The invention discloses a towed integrated stirring and pumping machine, and belongs to material stirring equipment. The towed integrated stirring and pumping machine comprises a feeding funnel, a water storage tank, a metering water tank, a stirring machine, a material storage tank, a pumping machine, an additive storage tank, a power generating unit, a console and an automatic pipeline controller, wherein the power generating unit, the additive storage tank, the console, the automatic pipeline controller, the pumping machine, the material storage tank and the feeding funnel are sequentially arranged on a trailing flat car from left to right; the water storage tank and the stirring machine are positioned on a rack; the metering water tank is above the stirring machine; the metering water tank is connected with the water storage tank through a pipeline; the additive storage tank is connected with the stirring machine through a pipeline; the pumping machine is connected with the material storage tank through a pipeline; the other end of the material storage tank is connected with the automatic pipeline controller through a pipeline; and the power generating unit and the console are electrically connected with the pumping machine, the metering water tank, the stirring machine and the feeding funnel. The towed integrated stirring and pumping machine has the characteristics that dry materials, wet materials and an additive are secondarily stirred and mixed on site, and the stirring and mixing time of concrete can be controlled.

The invention discloses a cooling fan drive circuit and a cooking utensil. The cooling fan drive circuit comprises a current sampling circuit, a signal amplification circuit and a drive circuit body which are connected in sequence. The current sampling circuit is used for detecting real-time currents of a heating device in the heating process. The signal amplification circuit is used for conducting signal amplification on the real-time currents detected by the current sampling circuit. The drive circuit body is used for controlling the rotating speed of a cooling fan according to current signals output by the signal amplification circuit. According to the cooling fan drive circuit and the cooking utensil, the fan can be driven with the help of the current sampling signals, the number of temperature wrap sampling circuits can be decreased, MUC resource consumption is reduced, power dissipation is also reduced, and meanwhile the rotating speed of the fan can be adjusted.

The invention discloses a curve slope climbing rack rail train. Problems that an existing train gear lacks a direct driving device, the slope climbing efficiency is low, requirements cannot be satisfied and the slope climbing ability is limited in the prior art are mainly solved. The curve slope climbing rack rail train comprises a train body; a bogie is connected to the bottom of the train body;a pair of gears and a pair of steel wheels are arranged in the horizontal direction of the bottom of the bogie; the gears are positioned between the two steel wheels; the gears are engaged with a rackon a track; and hub motors for driving the steel wheels and the gears are correspondingly connected to the steel wheels and the gears. Through adoption of the technical scheme, the curve slope climbing rack rail train can realize small curve with R of 25 m and slope climbing ability of 50%; and moreover, the steel wheels can realize active speed adjusting operation according actual situations ofthe track; and therefore, the service life of the curve slope climbing rack rail train is prolonged, the wear loss is reduced, the slope climbing ability is improved, the curve slope climbing rack rail train can climb various steep slopes, and very high practical values and promotion values are realized.

The invention relates to the technical field of block chaining technology development, and discloses an intelligent data storage cabinet for block chaining technology development. The intelligent datastorage cabinet comprises a cabinet body, wherein the side top of the cabinet body is provided with an air inlet hole, the interior of the air inlet hole is movably connected with a sealing member, and the bottom of the sealing member is engaged with a sealing toothed bar; a swing rod is movably connected to the bottom of the sealing toothed rod, a sector gear is connected to the bottom of the swing rod in a meshed mode, and a pushing toothed rod is movably connected to the bottom of the sector gear. Through cooperative use of an air inlet hole, a sealing piece, a sealing toothed rod, a swingrod, a sector gear, a pushing toothed rod, a temperature sensing gear and a spiral bimetallic strip, the sealing toothed rod drives the sealing piece to rotate, a sealing block and the air inlet holeare staggered, the effect of opening the air inlet hole is achieved, heat dissipation of the cabinet body is facilitated during opening, and dust is effectively prevented from entering during sealing; therefore, the use effect of the device is effectively improved, the intelligent control effect is achieved, and the trouble of manual operation is avoided.

The invention provides an intelligent exhaust hood which comprises a wind wheel, an oil fume separating device and an oil fume real-time monitoring control system, wherein the oil fume separating device is arranged below the wind wheel and used for separating oil fume; and the oil fume real-time monitoring control system is arranged around the oil fume separating device, and used for detecting theconcentration of the oil fume as well as regulating the rotating speed of the wind wheel and the oil fume separating speed of the oil fume separating device according to the concentration of the oilfume. According to the intelligent exhaust hood, the adsorbed oil fume is separated through a combination of centrifugal force and suction force, so that the accumulation of the oil fume in the intelligent exhaust hood can be effectively reduced and the influence of the accumulation of the oil fume on the service life of the intelligent exhaust hood can be prevented; and besides, the concentrationof the oil fume around the intelligent exhaust hood can be detected in real time, and the centrifugal force and the suction force can be correspondingly regulated according to the detected concentration of the oil fume, thereby achieving the intelligent control over the rotating speed of the wind wheel and the rotating speed of the oil fume separating device.

The invention discloses an environment temperature calculation and compressor rotating speed control method. The method realizes intelligent calculation of the temperature of the environment where a refrigerator is located and the load in a compartment by using the starting rate and the compartment cooling speed of the refrigerator in a stable operation state, and adjusts the rotating speed of a compressor by using the calculated environment temperature and the load in the compartment to realize energy-saving operation of the refrigerator. According to the method, an environment temperature sensor and related wire harnesses can be omitted, and the refrigerator manufacturing cost is reduced. Intelligent calculation of the environment temperature, intelligent calculation of the chamber load and intelligent control of the rotating speed of the compressor are achieved through the refrigerator starting rate and the chamber cooling speed, and the running rotating speed of the compressor is more suitable for the environment working condition and the load working condition when a user uses the compressor.

The invention discloses an automatic wire arrangement compensation device for stainless steel wires. The automatic wire arrangement compensation device mainly comprises a spool body, a PLC control system and push rods, wherein the push rods are respectively positioned on the two sides of a wing plate of the spool body, and the PLC control system is respectively provided with a PLC terminal, a speeding induction device, an accessory control device and an alarm device. The PLC control system is adopted to intelligently control the speed of the spool body, so that the conditions of wire rope pressing, disorder and mutual extrusion, the frequency of replacing the spool body caused by abrasion is effectively reduced, and the production cost is reduced. The automatic wire arrangement compensation device has reasonable design and is suitable for wide application in the industry of needing wire arrangement devices.

The invention discloses a vehicle speed control method and device of a two-wheeled vehicle, a storage medium and equipment. The method comprises the steps that firstly, driving data such as the load capacity, the wind resistance coefficient and the current vehicle speed of a target two-wheeled vehicle are obtained; then, according to the load capacity and the wind resistance coefficient of the target two-wheeled vehicle, the reasonable vehicle speed range of the target two-wheeled vehicle is calculated through a dynamic load speed measurement algorithm; then, whether the current speed of the target two-wheeled vehicle is within the reasonable speed range of the target two-wheeled vehicle or not is judged, and whether the target two-wheeled vehicle is controlled to be decelerated or not is determined according to the judgment result, so that driving safety of the target two-wheeled vehicle is guaranteed. The reasonable vehicle speed range is determined according to the load capacity and the wind resistance coefficient of the target two-wheeled vehicle, and then whether the current vehicle speed is within the reasonable vehicle speed range is judged, so that intelligent vehicle speed control of the target two-wheeled vehicle in the driving process can be realized according to the judgment result under the condition that the load capacity and the wind resistance coefficient change continuously, and the driving safety of the target two-wheeled vehicle is improved. Therefore, the driving safety is ensured.