40results about How to "Precise raise" patented technology

There is provided a power circuit for a display-device-driving circuit for supplying a plurality of voltages to a driving circuit for time-division-driving a display device, wherein each of the plurality of voltages are output via a constant-voltage circuit constituted by a regulator for dividing a voltage supplied from a power source and keeping divided voltages at a certain voltage level, whereby a stable power source consuming a small power to a driving circuit as a power source for a display device to be time-division-driven can be obtained.

The invention relates to a method and a system for controlling coagulant dosing through on-line prediction of turbidity after flocculation water sedimentation. The method comprises the following steps of: making raw water enter a flocculation tank to mix, react and flocculate with the added coagulant so as to generate a flocculating substance; collecting the flocculation water in real time through a sensor for measuring the turbidity under the water at the tail end of the flocculation tank; sedimenting in the sensor in the given sedimentation time, and measuring the turbidity; comparing the measured value with the set value; and after the difference is subjected to PID operation, obtaining the needed dosing ratio, and multiplying the dosing ratio with the water inlet flow to obtain the dosing, converting the dosing into a standard current output signal to control the dosing of a dosing pump, and dosing the coagulant on line. The system consists of the flocculation tank, a sedimentation tank, the dosing pump, a coagulation tank, a microprocessor and a sensor 5 which is specially designed for measuring the turbidity. Due to adoption of the sensor for measuring the turbidity, the turbidity after flocculation water sedimentation can be accurately measured on line without being disturbed by other factors. Therefore, the on-line coagulant dosing can be accurately controlled, the coagulant dosing is reduced, the water purification quality is improved, and the water purification cost is lowered.

The invention relates to a grease filling gun. A support plate is fixed at the upper end of an end cover; the left end of the end cover is hinged with an oil pump, a gun nozzle is arranged at the lower end of the oil pump, the upper end of the oil pump piston of the oil pump is hinged with a lever rod, an air cylinder is fixed at the left end of the lever rod, and the left end of the air cylinder piston of the air cylinder is hinged with the support plate; the left end of the sleeve is demountably fixed at the right end of the end cover, an air pressure lifting jack is fixed at the bottom inside the right end of the sleeve, an air bag inside the air pressure lifting jack is hermetically communicated with the air cylinder through a gas pipe, a spring provided with a rubber sealing sleeve is hermetically fixed at the end cover inside the left end of the sleeve, an oil pool is formed inside the rubber sealing sleeve, an end cover oil outlet is formed on the end cover inside the oil pool, an oil pump oil inlet is formed on the oil pump corresponding to an end cover oil outlet, and an air bag plug is fixed at the end cover oil outlet; and the air bag plug is hermetically communicated with the gas pipe through an automatic vent valve of the plug. The grease filling gun is light in weight, is convenient to carry and use, is free from sundries mixing and ensures grease quality.

The invention discloses a quantitative filling device. The device comprises an identification code acquisition module for acquiring the identification code of a product to be filled, a control module and a filling module, wherein the control module is used for receiving the identification code of the product to be filled from the identification code acquisition module and calling a filling formula of the product to be filled according to the identification code of the product to be filled; according to the filling formula, the filling sequence of a plurality of oil filling points of the product to be filled and the filling quantity corresponding to each oil filling point are provided; and the filling module fills oil into a plurality of oil filling points of the product to be filled in corresponding quantities according to the filling sequence. The invention also discloses a quantitative filling method. By the quantitative filling device and the quantitative filling method, problems such as wrong filling and missed filling of the oil in the process of manufacturing automobiles are solved; the oil filling quality of the automobiles is guaranteed; the quantitative filling device is easy and convenient to operate, and the oil can be filled accurately, so that the on-site assembly efficiency is improved.

The invention provides a pipeline system of a gravity fluidized bed for transportation of a powder curing agent and a using method thereof. The pipeline system of the gravity fluidized bed is composedof a fluidized bed pipeline, a feeding hopper and air circulating compressor, wherein the fluidized bed pipeline is internally divided into three independent channels: an air inlet channel, a mediumtransportation channel and a gas recovery channel. The pipeline system of the gravity fluidized bed is used for cured construction of soil masses in geotechnical engineering and primarily solves the problem that the feeding channel is easily blocked in the injecting and mixing processes of the powder curing agent. By means of the principle of the fluidized bed, a proper amount of air is blown intothe powder, so that the powder has the characteristic of liquid flowing. The powder is transported forward obliquely under the action of gravity, so that the workload of manual feeding in the mechanical mixing process is reduced, the mixing uniformity and controllability are improved, the powder curing can be precisely injected according to a design demand, and the mechanical degree and the production efficiency are improved.

The invention provides a driving washboard type fluidized bed pipe for powder material transportation and an application method thereof. The fluidized bed pipe consists of a pipe outer wall, a wave washboard separation layer, a gas pipe and a reverse flushing nozzle. The fluidized bed pipe system is used for curing construction of soil in geotechnical engineering, mainly solves the problem of easyblockage of a charging channel in the injecting and mixing process of a powder curing agent, uses a fluidized bed principle for blowing a proper amount of air into powder through the reverse flushingnozzle to enable the powder to present the liquid flowing characteristic, in particular, uses eddy currents formed by reverse flushing air currents on the arc wave washboard separation layer for forwards transporting powder materials, and can transport split materials to the other end of the pipe when the pipe is horizontal or even upwards inclined by a small angle. The manual charging workload is reduced in the mechanical mixing process; the mixing uniformity and controllability are improved; the powder curing agent can be precisely injected according to design demands; and the mechanical degree and the production efficiency are improved.

The invention discloses a method for filling a reagent tube with liquid medicine. Two supporting plates parallel to each other are arranged on a bottom plate; the supporting plates are vertically fixed with the bottom plate; a liquid withdrawing pump is arranged between the supporting plates; a metering pump is arranged at the top end of the liquid withdrawing pump; the liquid withdrawing pump is communicated with the metering pump; a motor is arranged on the bottom plate; the motor is contacted with the side walls of the supporting plates; the liquid withdrawing pump and the metering pump are connected with the motor; a liquid inlet pipe communicated with the liquid withdrawing pump is arranged on the liquid withdrawing pump; a liquid collection tank is connected to one end, which is far away from the liquid withdrawing pump, of the liquid inlet pipe; a liquid outlet pipe communicated with the metering pump is arranged on the metering pump; a liquid outlet nozzle is connected with one end, which is far away from the liquid withdrawing pump, of the liquid outlet pipe; the liquid outlet nozzle is arranged between the supporting plates; a liquid outlet of the liquid outlet nozzle faces the bottom plate; an axis of the liquid outlet nozzle is parallel to a plumb line. According to the device, the reagent tube is automatically and quantitatively filled with the liquid medicine through the machine, and the filling volume can be unified each time, so that the filling operation is accurate, the labor intensity of an operator is reduced, and the filling efficiency is improved.

The invention aims to provide a BEV (battery electric vehicle) thermal management system and a cooling liquid filling method thereof. The BEV thermal management system comprises an electric drive part thermal management sub-system and a passenger bin and battery thermal management sub-system. The electric drive part thermal management sub-system comprises a first overflow kettle, a first water pump, a radiator and an electric drive heat exchanging part, wherein one end of the radiator is connected with the first port of the electric drive heat exchanging part, the other end of the radiator is respectively connected with the first overflow kettle and the first port of the first water pump, and the second port of the electric drive heat exchanging part is respectively connected with the first overflow kettle and the second port of the first water pump. The BEV thermal management system and the cooling liquid filling method thereof have the advantages that effective thermal management of auto parts and accurate cooling liquid filling are achieved; the BEV thermal management system provides a good thermal management function for the electric drive part, a passenger bin and a battery, comfortableness of the passenger bin is guaranteed, and the electric drive part and the battery are enabled to be in an appropriate temperature range.