36results about How to "Strong self-control" patented technology

The invention relates to an electric furnace, in particular to an alumetized furnace which is specially used for iron pan alumetized compound bottom. In order to solve the technical problems, the invention adopts the technical proposal that the alumetized furnace is specially used for iron pan alumetized compound bottom, and is characterized by comprising an external body, an electric furnace flue arranged inside the external body, an electric furnace wire groove positioned on the outer wall of the electric furnace flue, electric furnace wires wound inside the electric furnace wire groove, a plurality of heat transferring holes which are evenly distributed in the electric furnace wire groove, and a temperature controller connected with connectors of the electric furnace wires by electric wires. The alumetized furnace has the advantages of high temperature resistance, uniform temperature between the top and bottom of the flue, strong automatic control and humanized operation.

The invention provides a diversified heating method for a vacuum diffusion brazing furnace and belongs to the technical field of brazing. The diversified heating method for the vacuum diffusion brazing furnace adopts ternary heating modes: resistance heating, induction heating and furnace body temperature control. In the induction heating mode, an induction coil is adopted to heat. In the furnace body temperature control mode, a heating element in the furnace body is used to heat, so that beneficial effects are obtained. By performing heating treatment by adopting the brazing furnace, the heat conductivity is high, heat is quickly diffused, the heating speed can be remarkably improved, and the heat conductive efficiency is improved. Meanwhile, after annealing / diffusing, the performance index of a heated workpiece is higher.

A self elevating device for bridge maintenance is provided. The self elevating device for bridge maintenance comprises a lower plate fixedly mounted on the surface of a bridge and an upper plate fixedly mounted on the top of the bridge, two corresponding guide connecting rods on the left and the right and a spiral rod located between the two guide connecting rods are fixedly arranged between the lower plate and the upper plate, an elevating platform is mounted on the spiral rod, guide connecting holes are formed in the left side and the right side of the elevating platform correspondingly, the guide connecting holes and the guide connecting rods are mutually matched, guide connecting sleeves are further mounted on the guide connecting rods in a sliding connection mode, and the upper end surfaces of the guide connecting sleeves are fixedly connected with the lower end surface of the elevating platform; and trilateral plates are fixedly mounted between the front ends of the guide connecting sleeves and the bottom end of the elevating platform, a horizontal groove and a vertical groove communicating with the horizontal groove are formed in each trilateral plate, a sliding connection plate is mounted in a containing cavity of the elevating platform in an up-down sliding connection mode, a sliding rail is arranged in the rear end wall of the containing cavity, and a tool case is mounted on the sliding rail in a left-right sliding connection mode.

A camera system and control method for time-sharing multi-spectral imaging control of a staring space camera, in which a single-spectrum single imaging, single-spectrum continuous imaging, and full-spectrum imaging are set in a staring space camera with a variable band filter device Four basic imaging modes of single imaging and full-spectrum continuous imaging are used to cooperate with satellite platforms to realize various earth observation modes. A controller is used in the camera to control the variable band filter device, focal plane assembly, and signal processing device of the camera to realize these four basic working modes according to the set workflow. Strong autonomous control capability, less control equipment required by the system, high synchronization precision between mechanism action and imaging control, simple, flexible and diverse imaging control modes, comprehensive coverage, and simple and reliable matching and combination with satellite platform working modes to achieve various types of ground-to-ground Observation tasks can be used as the most basic time-sharing multi-spectral imaging control method for staring space cameras in geostationary orbits.

The invention discloses an ultraviolet disinfection water treatment system and method for automatically adjusting ultraviolet irradiance. A water quality detector, and the inner wall and top of the water treatment pool are respectively provided with several thin-wall retaining walls and steel frames, and the bottom of the steel frame is provided with several submerged ultraviolet lamps and ultraviolet sleeves. The water to be treated enters the water treatment tank from the water inlet pipe, and the water flows through the thin-walled retaining wall to form a large eddy current. The water flows through the disinfection treatment of each ultraviolet lamp, and finally flows out through the outlet pipe; through the ultraviolet radiation meter, online water quality detector and control computer automatic Two-way control of the power of the ultraviolet lamp, automatic cleaning of the ultraviolet lamp, high-efficiency, low-carbon, energy-saving disinfection. The invention can scientifically arrange and distribute ultraviolet lamps, thereby prolonging the disinfection time, further purifying the water body, and improving the working efficiency.

The invention discloses a rainwater collecting and using device for gardens. The rainwater collecting and using device comprises a bracket and a water collecting hopper which is arranged at the top of the bracket, wherein a water collecting tank is arranged in the bracket; a watering conduit is arranged at the bottom of the bracket; a control water collecting hopper is additionally arranged on the bracket; a three-way control valve is fixed to a part where the watering conduit and the water collecting tank are connected; one end of the three-way control valve is connected to the control water collecting hopper by virtue of a horizontal pipe; a control flash board is arranged in the three-way control valve; a connecting ribbed rod is arranged in the horizontal pipe; a water-absorbing expansible rubber body is arranged in the control water collecting hopper; a funnel-shaped abutting body is arranged in the control water collecting hopper; a reset spring is arranged between the back side of the funnel-shaped abutting body and the inner wall of the control water collecting hopper; a sealed rubber covering layer is arranged on the back side of the funnel-shaped abutting body; and the back side of the funnel-shaped abutting body makes into contact with the inner wall of the control water collecting hopper by virtue of the sealed rubber covering layer. The rainwater collecting and using device provided by the invention is reasonable in structure setting, good in using stability, strong in self-control performance, high in rainwater collecting and using efficiency, strong in adaptability and good in practicability.

Landscape table equipment with the adjustable height comprises a low plate fixedly arranged at the bottom end and a high plate fixedly arranged on the top of a mountain. Two sets of guiding rods oppositely arranged left and right and a spiral rod located between the two sets of guiding rods are fixedly arranged between the low plate and the high plate. The spiral plate is provided with a rising and falling table. Guiding holes are oppositely formed in the left side and the right side of the rising and falling table and matched with the guiding rods. The guiding rods are further provided with guiding sleeves in a sliding manner. The upper end faces of the guiding sleeves are fixedly connected with the lower end faces of the rising and falling table. A wedge-shaped plate is further fixedly arranged between the front end of each guiding sleeve and the bottom end of the rising and falling table, wherein the wedge-shaped plate is provided with a transverse edge groove and a vertical edge groove communicating with the transverse edge groove. A sliding plate capable of sliding up and down is arranged in a hollow cavity in the rising and falling table.

The invention discloses a three-dimensional positioning device for installation of an automobile air pipe. The three-dimensional positioning device comprises a positioning head, the lower end of the positioning head is connected with a positioning head control assembly, and the lower end of the positioning head control assembly is connected with a power assembly; a deviation correcting guide sleeve is arranged in a cavity of the positioning head control assembly, and an air pipe installation workpiece sleeve is fixedly arranged at the top end of the positioning head. In the whole installationand sleeving process, an expansion cavity in the positioning head is used for expanding and retracting, so that positioning of a workpiece is achieved. The designed expansion cavity is a completely symmetric cavity, so that the positioning extrusion force borne by the air pipe installation workpiece sleeve at the same time is completely the same, the stability of the workpiece in the positioning process is guaranteed, and the situation that the workpiece is damaged is avoided. The deviation correcting guide sleeve utilizes the advantages that a closed-loop system is fast in response and high in self-control capacity, and the characteristic that a closed-loop feedback system is matched with electromagnetic conversion is utilized, so that the situation that a coil group self-adjusts the deflection of a metal power connecting rod is achieved, and the precision of workpiece positioning is greatly improved.

This invention publicized one kind to use the frequency conversion technology closed type the return route hydraulic pressure pumping unit The application frequency conversion technology control motor rotational speed, the control pumps the output current capacity, then the control pumping unit running rate, may enable the oil pump the dynamic coordination, the production increase, the energy conservation obvious: The frequency conversion velocity modulation can provide the current capacity according to the system demand the low overflow loss, how regardless of the load does change, the output all can adapt the load request change, has very strong automatic control About the use the limit switch, the speed, the position transmitter and so on, through the controller, the frequency changer realization to the electric motor and the control valve electro-magnet and so on the vector transformation control technology, the realization overloads, crosses the electric current, overvoltage, the instant loses speed and so on the protection function This invention from enhances the pumping unit the overall efficiency to embark, in reduces the pumping unit the installing equipment power, effectively uses the pumping unit under good energy at the same time, maximum limit enhances the hydraulic pump and the electrical machinery efficiency This pumping unit may widely apply to the oil field extraction

The invention provides a remote-controlled omnidirectional mobile manipulator and a control method thereof, and relates to the field of a remote-controlled manipulator. The invention aims at solving the problems that a conventional mobile robot is large in size and poor in flexibility of directional walking and controllability and can not realize multi-node networking. A three-axis acceleration sensor of a remote controller is swung and collects three-axis motion data; a second microprocessor is used for sending the three-axis motion data to a first microprocessor; the first microprocessor is used for controlling four omnidirectional wheels according to the received three-axis motion data, so that the remote-controlled omnidirectional mobile manipulator moves; a key is pressed and sends a motion control signal to the first microprocessor through the second microprocessor, the first microprocessor controls an infrared obstacle avoidance module to detect the position of an obstacle and controls a three-degree-of-freedom grabbing manipulator to swing and grab the obstacle according to the position of the obstacle and the received motion control signal. The swinging remote-controlled device can be used for remotely controlling the manipulator.