156results about How to "Control injection volume" patented technology

The invention discloses a motor adhesive injecting device and an operating mode thereof. The device comprises a shooting cylinder which is provided with an outlet at the bottom, a pressure ram arranged inside the shooting cylinder, a drive screw connected with the upper part of the pressure ram, a fixing screw used together with the drive screw and a drive motor arranged on top of the drive screw. The rotation of a motor drives the screw to make the spiral movement inside the nut and drives a piston to have the axial displacement to act on the liquid. The operating mode is that the rotating axle of the motor is controlled to continuously rotate, discontinuously rotate, impulse rotate or reverse the axle to drive the piston to move up and down or vibrate correspondingly to the cylinder. With excellent response, the motor can control the injection rate accurately by the controlling the rotating angle. The motor can satisfy the requirements for accurate and rapid adhesive injecting for the constant running speed and uniform flowing speed of the liquid.

The invention discloses an independent SCR (semiconductor control rectifier) system control method and a control device based on a NOx sensor. A signal acquiring unit disclosed by the invention mainly comprises a differential pressure transducer, an inlet NOx sensor, an absolute pressure sensor, an inlet temperature sensor, an outlet temperature sensor and an outlet NOx sensor. The control device is provided with a CAN (controller area network) bus interface, and a singlechip is communicated with an urea pump through the CAN bus interface to control the spray of the amount of blue adding solution. The signal acquiring unit acquires the state of engine tail gas in real time, and the acquired state is transmitted to the singlechip for calculating the required spray amount of the blue adding solution. According to the independent SCR system control method and the control device, the design of a traditional engine control system is not changed, and only six sensors are installed on an exhaust pipeline to directly configure the independent SCR control device, and the SCR control device is completely independent from an engine electronic controller.

The invention relates to a flue gas denitrification device, and particularly relates to a fully-automatic regulating SNCR (selective non-catalytic reduction) denitrification device. The SNCR denitrification device is optimized further based on an original SNCR denitrification technique. The SNCR denitrification device for the fully-automatic regulating comprises a reducing agent (urea solution) preparation and storage module, a conveying and circulation module, an on-line metering and diluting module, and a distributing and jetting module arranged on the boiler wall based on CFD (computational fluid dynamics) simulation computation. The SNCR denitrification device for the fully-automatic regulating is characterized in that particle urea is conveyed to the storage module after being prepared into a urea solution; the conveying and circulation module and the metering and diluting module are arranged between a urea storage tank and the jetting module; the urea solution is quantitatively distributed in the jetting module after being metered and diluted, and a jet gun in the module is used for jetting; the storage module, the conveying and circulation module, the metering and diluting module, and the distributing and jetting module are controlled by a control module. According to the device, based on conventional SNCR, the technological process is optimized; an ammonia nitrogen reaction region at the rear end is controlled accurately; meanwhile, by adopting the multi-stage configuration of jetting guns, the full-automatic operation is realized completely according to the actual running situation of a boiler.

The invention relates to an automatic de-molding agent spraying system. The automatic de-molding agent spraying system comprises an agitation tank, a compressed air source and a spraying gun, wherein the agitation tank is communicated with the spraying gun through a de-molding agent conveying pipeline; the compressed air source is communicated with the spraying gun through a compressed air conveying pipeline; the de-molding agent conveying pipeline between the agitating tank and the spraying gun is sequentially provided with a tank body valve, a high-pressure pneumatic plunger pump and an oil amount adjusting valve; the compressed air conveying pipeline between the compressed air source and the spraying gun is sequentially provided with a decompression valve and an air quantity adjusting valve; a de-molding agent conveying pipeline between the high-pressure pneumatic plunger pump and a de-molding agent flow adjusting valve is provided with an energy accumulator; and a de-molding agent conveying pipeline between the energy accumulator and the de-molding agent flow adjusting valve is provided with a pressure sensor. According to the automatic de-molding agent spraying system disclosed by the invention, oriented and quantitative atomization and spraying on the surface of a mould can be realized so that a uniform sprayed film is formed on the surface of the mould and the surface of the mould is prevented from being damaged by being stuck with hot metal in a forging process.

The invention discloses an etching and cleaning method for OSP substrate. The etching and cleaning method for OSP substrate comprises the following steps: step 1, mixing the H2SO4 solvent, H2O2 solvent, additive AGS2116, additive AGS2115 and pure water, adding the chemical agent prepared according to the ratio into the cavity of the etching and cleaning device; step 2, guiding the OSP substrate to the etching and spraying chamber and the cleaning and spraying chamber through the track of the etching and cleaning device; step 3, etching the OSP substrate in the etching and spraying chamber, cleaning the OSP substrate in the cleaning and spraying chamber; step 4, checking the etching effect, confirming whether the OSP layer and the oxide layer are etched from the bonding pad. An etching and cleaning device for OSP substrate is also provided, the etching effect of the chemical agent is good, and the etching effect is more even. The H2SO4, H2O2 and other chemical agent are separated via the etching device and prepared according to the scene production status and practical situation of the OSP substrate, and the etching value is controlled, the operation is convenient and the efficiency is high.

The application discloses a urea injection quantity control method and device. The urea injection quantity control method comprises the steps of determining an initial SCRF ammonia storage set value and an initial SCR ammonia storage set value; calculating an SCRF current ammonia storage actual value and an SCR current ammonia storage actual value; correcting the initial SCRF ammonia storage set value according to the initial SCRF ammonia storage set value, the initial SCR ammonia storage set value, the SCRF current ammonia storage actual value and the SCR current ammonia storage actual valueto obtain a corrected SCRF ammonia storage set value; and controlling the urea injection quantity based on the corrected SCRF ammonia storage set value. Through the above process, accurate control ofthe urea injection quantity can be realized.

The invention relates to a sulfur/nitrogen/silicon co-doped graphite composite negative electrode material and a preparation method thereof, and belongs to the technical field of the technical field of lithium ion battery material preparation. The technical solutions are as follows: (1) weighing 1 to 5 g of sulfur-containing organic compounds and 1 to 5 g of nitrogen-containing organic compounds,adding the compounds to 500 g of organic solvent, stirring evenly, adding 100 g of graphite into the solution, stirring evenly, filtering, then transferring the solution to a tube type furnace, raising the temperature to 200-500 DEG C under an inert atmosphere, then keeping the temperature for 1 to 6 h, and reducing the temperature to the room temperature in an inert atmosphere to obtain a graphite composite material A; (2) implanting the nano-silica in the surface layer of the graphite composite material A through high-speed particle beam bombardment and then carrying out carbonization to obtain the sulfur/nitrogen/silicon co-doped graphite composite anode material. According to the invention, the specific capacity of the graphite material is improved by doping sulfur in the graphite material, and nitrogen doping is carried out to improve the conductivity of the sulfur; the expansion of the material can be reduced; and the liquid absorption capacity of the material can be improved.

The invention discloses a fuel injection valve which comprises a magnetic valve, a coil, an armature, a magnetic ring, a damping spring, a damping block, a shell, a limiting core, a control spring, a spring seat, a needle valve, a sealing ball and a sealing ball seat. The coil is arranged in an annular coil groove of the magnetic core, the magnetic ring is fixedly arranged below the magnetic core, the armature is arranged on the upper portion of the inner circle of the magnetic ring and arranged on the lower end face of the magnetic core, the damping block is fixedly arranged below the armature in the inner circle of the magnetic ring, the damping spring is arranged between the armature and the damping block, the needle valve is arranged in the magnetic valve and inserted into the armature and the damping block in a sleeved manner, the upper portion of the needle valve is fixedly connected with the spring seat, and the upper portion of the spring seat is abutted on the limiting core inside the magnetic core while the lower portion of the same is abutted on the armature. By the structure, the fuel injection valve has the advantages of small magnetic flux leakage and high injection response speed, and bouncing when the fuel injection valve is closed can be reduced effectively, and multiple-time injection capability is improved.

The invention discloses an electronically controlled common rail gasoline injection system of an internal combustion engine. The electronically controlled common rail gasoline injection system of the internal combustion engine comprises a singlechip, a pressure sensor, a driving motor, a fuel pump, a fuel pump output tube and a gasoline injection nozzle, wherein the driving motor is a direct-current brushless motor and drives the fuel pump in a connected manner; the fuel pump communicates with the gasoline injection nozzle by the fuel pump output tube; the pressure sensor is arranged on the fuel pump output tube and is connected with the singlechip; and the singlechip controls the driving motor and the gasoline injection nozzle in a connected manner. In addition, the invention also discloses a gasoline injection control method of the electrically controlled common rail gasoline injection system of the internal combustion engine. By the singlechip, fuel output pressure and starting time of the gasoline injection nozzle are adjusted in real time, and fuel injection is jointly controlled by the fuel output pressure and the starting time of the gasoline injection nozzle. The electronically controlled common rail gasoline injection system has the advantages of high adjustment precision, high adjustment speed, low energy consumption of the motor and long service life, so that fuel economization and emission reduction are realized effectively.

The invention provides a starting method used for a methanol engine and the methanol engine, and relates to the field of methanol engines. According to the starting method, before the methanol engineis started, the temperature of the engine is detected, and if the temperature before the methanol engine is started is lower than preset temperature, after a control unit receives a starting command,gasoline cold starting gasoline sprayers are controlled to spray gasoline into manifolds on an intake manifold so as to achieve cold starting of the methanol engine. In the method, the gasoline cold starting gasoline sprayers directly spray gasoline into the manifolds of the intake manifold to be mixed with air, the process that gasoline is directly sprayed into an intake pressure stabilization cavity of the intake manifold to be mixed with air and then distributed to the manifolds is avoided, and therefore the spray amount of gasoline can be effectively controlled, the problem of engine coldstarting failing caused by insufficient gasoline supply during cold starting of the methanol engine is avoided, and the problem that during cold starting of the methanol engine, too much gasoline is sprayed, and consequently discharging exceeds standards is avoided.

The invention discloses a temperature control micro valve based on liquid crystal and single-stage and multi-stage control systems thereof, which are applied to the technical field of micro-fluidic chip micro valves; the temperature control micro valve comprises a micro-channel, a substrate, the liquid crystal and a temperature control element; wherein the micro-channel is arranged above the substrate; the liquid crystal is arranged in the micro-channel and can flow along the direction of the channel; the temperature control element is arranged on the micro-channel wall on any side vertical tothe liquid crystal flow direction; according to the invention, the runoff regulation of the sample is realized through the asymmetric flow characteristic of the liquid crystal under the non-uniform temperature field, so that the sample injection amount of different reactors or detectors is controlled, the comparison effect of chemical reaction or biological detection is remarkably enhanced, and the workload and related cost of experiments and detection are greatly reduced at the same time.

A growth method for obtaining high aluminium component Al-Ga-N alloys by improving aluminium doping efficiency is characterized by adopting MOCVD to epitaxially grow an AlxGa1-xN film alloy layer on the alpha-Al2O3 substrate, adopting an AlN buffer layer or insert layer to prevent crack on the film layer and realizing adjustment of the Al component in AlxGa1-xN by controlling the mole ratio of Al/Ga, wherein the number x of Al atoms is not less than 0 and not more than 0.8, and the control method of the Al component is as follows: keeping certain molar weight of the injected Al and reducing the mole ratio of Ga to Al from 5.8 to 0.46. The method has the following advantages: the AlxGa1-xN alloy can be obtained, the number x of Al atoms in the alloy is as high as 0.8, and the Al doping efficiency is improved by 9%; the Al-Ga-N film has excellent quality, the full-width at haft-maximum (FWHM) of the typical X-ray rocking curve of AlxGa1-xN (0002) is less than 300 seconds of arc; the luminescent property is excellent and the cathodoluminescence spectra show remarkably strong band-edge luminescence peaks; and the surface is smooth and flat and the typical roughness (RMS) is less than 0.8nm.

The invention discloses an injection tooth and an injection head of an upright plastic injection molding machine with a said injection tooth. The injection tooth takes the shape of T, with the upper part being a sealing unit and the lower part being a discharge unit which is provided with a discharge channel. The body of the injection head is provided with an injection pore canal, a feeding port and an injection port for the injection pore canal; the injection tooth which can both inject materials and prevent the materials from leaking, is inserted into the feeding port; the injection tooth takes the shape of T, with the upper part being a sealing unit and the lower part being a discharge unit; the sealing unit can cover and seal up the feeding port; the discharge unit is provided with a discharge channel and the bottom of the discharge unit stretches out of the feeding port, that means, the bottom of the discharge unit is lower than the lower surface of the body of the injection head. The injection tooth and the injection head of the invention can prevent the materials from leaking from the injection head.

The present invention provides a water spray type steam compressor, which has a structure capable of accurately grasping the temperature of supply water and quantity state of the suction steam. The structure can help to prevent the sprayed steam from changing into superheated steam, and prevent the quantity of the sprayed steam from reducing. The water spray type steam compressor (1) is provided with a suction side drain water separator (9) arranged on a suction tube (6), a water injection pump (4) which sprays the supply water into the compression space inside a screw compressor (2), a supply water thermometer (18) for the detection of the temperature of the supply water, and a control part (5) used for controlling the injection quantity of the supply water. According to the specific enthalpy of the suction steam flowing in the suction tube (6) downstream side of the suction side drain water separator (9) and the specific enthalpy of the supply water calculated from the detection value of the supply water thermometer (18), the control part (5) controls the injection quantity of the supply water in a way of equaling the surplus output energy of the screw compressor (2) to the gasification heat of the supply water, wherein the surplus output energy equals that the total output energy minus the energy consumption of boosting the pressure of the suction steam up to prescribed injection pressure.

The invention discloses rapid feeding equipment for a road marking machine. The rapid feeding equipment comprises a machine body, wherein a bearing block is fixed on one side of the machine body, a marking device is arranged at the lower end of the bearing block, a bearing slot is formed in the upper end of the bearing block, a sliding chute is formed in the side wall of one end in the bearing slot, a sliding block is mounted in the sliding slot, a baffle is fixed on one side of the sliding block, a first straight rack is fixed on one side of the baffle, and the upper end of the first straightrack penetrates through the bearing slot and extends to the upper end of the bearing block; and a coating bucket is fixed at the upper end of the machine body, a discharging device is arranged on thecoating bucket, and a second straight rack is fixed on one side of the discharging device. According to the rapid feeding equipment, the injection amount of a coating can be automatically controlled,so that the labor intensity of a worker is alleviated; the output amount can be effectively controlled, so that the overflowing of the coating is avoided, the wasting of the coating is avoided, the working efficiency is improved, and the marking quality is guaranteed; and the rapid feeding equipment is simple in structure and convenient to operate.

The invention relates to ruin rescue equipment, in particular to a robot injection device. The device comprises a pose adjusting mechanism and an injection mechanism; the pose adjusting mechanism comprises a telescopic joint and a coupling joint, and the injection mechanism comprises a pushing joint for controlling the depth of a needle inserted into a body and a dosing joint for controlling the injection amount of liquid medicine in the body. One end of the telescopic joint is installed on the robot, the other end of the telescopic joint is a telescopic end, one end of the coupling joint is connected with the telescopic end of the telescopic joint and driven by the telescopic joint to stretch out and draw back, and the other end of the coupling joint has pitching freedom degree or deflection freedom degree; the pushing joint is installed at the other end of the coupling joint, the output end of the pushing joint is connected with a medicine feeding joint, and the pushing joint and the medicine feeding joint are driven by the telescopic joint and the coupling joint to reach the set position and angle. The device has the characteristics of light weight and modularization of the structure, high injection precision, easiness in installation and replacement and accuracy in operation and control.

The invention discloses an organic glass seamless polymerization device and method. The polymerization device comprises a tool construction system, a glue injection system and a control system. The tool construction system comprises a tool clamp used for fixing two pieces of organic glass to be spliced, and a film arranged on the seam of the organic glass. The film is fixed to the surface of the organic glass through the tool clamp. The glue injection system is used for squeezing glue into the seam of the organic glass. The control system is used for controlling the glue injection system to be turned on or off. The tool clamp is adopted for fixing the spliced organic glass and the film, and therefore an environment with the good airtightness is provided for polymerization; a vacuum pump is used for pumping air in a polymerization glue device and a first pipeline, polymerization glue is squeezed out to the seam of the organic glass through inert gas, the automation degree is high, the quality is ensured, the efficiency is high, and the cost is saved.

The invention discloses a work method of a navigation system capable of preventing pileup. The navigation system comprises a navigation device and a plurality of camera devices arranged on the periphery of a vehicle, where the navigation device is installed. The navigation device comprises a processor module, which is connected to the vehicle controller of the vehicle. When the processor module finds out that brake lamp of a vehicle (A), which is in front of the vehicle (B) in the same lane, lights; the processor module sends a brake lamp control signal to the vehicle controller; the vehicle controller controls the brake lamp of the vehicle (B) to light so as to indicate a vehicle (C) behind the vehicle (B) to carry out effective action in time so as to keep a safe distance, thus the vehicle rear-end collision is avoided, so the pileup will not happen, and the traveling safety is guaranteed.

The invention relates to an injection device and an injection device assembly, and belongs to the field of injection devices. The injection device comprises a loading bin, a screw, a push rod rotatingbarrel and a push barrel, wherein the loading bin is provided with at least one discharging outlet, the push rod rotating barrel can move in the direction close to or away from the loading bin, and the push barrel is provided with a linkage pulling ring. The screw is configured to move in the straight line direction so as to discharge materials in the loading bin from the discharging outlets, thepush barrel is configured to drive the linkage pulling ring to rotate in the first direction when the push rod rotating barrel moves towards the direction close to the loading bin, and the linkage pulling ring is configured to drive the screw to move in the straight line direction when rotating in the first direction. The injection device can precisely control the injection amount of the materials to meet the needs of use. The invention further provides the injection device assembly comprising the injection device.