31results about How to "Realize automatic rehydration" patented technology

The invention discloses a PLC intelligent automatic sand mixing system and a control method thereof. The sand mixing system comprises a central processing unit as well as an inlet electromagnetic flow meter, an outlet electromagnetic flow meter, an ultrasonic liquid level detector, an isotope gravelfluid ratiometer, a pressure transducer, a stirrer, a quartz sand material inlet, a water inlet, aninlet pump and an outlet pump which are connected with the central processing unit, wherein the central processing unit comprises a CPU, an A / D (Analog-to-Digital) converter, an D / A converter and a liquid crystal display screen. In the control method, the central processing unit is used for sending out a command to control the work of the water inlet, the quartz sand material inlet, the inlet pump, the stirrer and the outlet pump; the inlet electromagnetic flow meter, the outlet electromagnetic flow meter, the ultrasonic liquid level detector, the isotope gravelfluid ratiometer and the pressure transducer are used for transmitting collected data into a PLC; and the data obtained after calculation by the PLC are displayed on the liquid crystal display screen. By connecting the PLC with various instruments of the sand mixing system, the invention realizes automatic sand addition, automatic liquid supplement and real-time monitoring of technical parameters, and reduces manpower and materials required for preparing liquid on site and the production cost.

The invention discloses a drilling fluid PLC automatic control system and a control method thereof, which are matched with a drilling pump and solid control equipment. The control system consists of a central processing unit, an A / D converter, a D / A converter, a liquid crystal display screen, an electromagnetic flowmeter, a mud flow meter, an intelligent mud level measurement device, a drilling fluid density tester, a drilling fluid viscosity measuring instrument, a blender, a clay feed inlet, a bentonite feed inlet, a weighting material feed inlet, a fluid loss agent feed inlet, a tackifier feed inlet, a water inlet, an inlet pump, and an outlet pump. The control method comprises that: the central processing unit sends a command to control the work of the water inlet, five feed inlets, the inlet pump, the blender and the outlet pump; the electromagnetic flowmeter, the mud flow meter, the intelligent mud level measurement device, the drilling fluid density tester, and the drilling fluid viscosity measuring instrument input the acquired data into a PLC; and the data subjected to PLC operation is displayed on the liquid crystal display screen. The control method can reduce the manpower and material resources needed by on-site liquid preparation and reduce the production cost.

The invention discloses a tire air tightness detection device, which relates to the technical field of tire detection, and comprises a rotating mechanism and a feeding conveyor belt arranged on one side of the rotating mechanism. The upper end of the rotating mechanism is provided with a mounting frame, and the lower end of the There are three detection auxiliary mechanisms, and each detection auxiliary mechanism includes a clamping component, a detection auxiliary component and two detection cameras. There are also a blanking mechanism and a detection mechanism beside the rotating mechanism. The detection mechanism includes a detection component, a liquid supplement A component and a liquid supplement box, the liquid supplement component is arranged inside the detection component. The invention drives the rotation of the tire during detection to improve the detection accuracy, and the detection efficiency can be improved through the lifting and matching of the detection box, and the detection liquid in the detection box can be replenished in time, making the detection process more efficient and convenient.

The invention discloses an automatic filling device used for urodynamic detection. The automatic filling device comprises a peristaltic pump (1), an injection pump (2), a liquid storage bottle (3), a tee joint (4), a T-shaped tube A (5), a T-shaped tube B (16), a pressure detection guide tube (6) and a pressure sensor (7), wherein the liquid storage bottle (3) is connected with one port of the tee joint (4); the injection pump (2) is connected with another port of the tee joint (4); a third port of the tee joint (4) is connected with the T-shaped tube A (5); and control valves are arranged between the peristaltic pump (1) and the T-shaped tube A (5), between the liquid storage bottle (3) and the tee joint (4) and between the tee joint (4) and the T-shaped tube A (5) respectively. The automatic filling device has the benefits as follows: the peristaltic pump and the injection pump can be conveniently switched and are convenient and quick to operate; by setting the tubes, the liquid supplying operation of the injection pump can be conveniently carried out, and the automatic liquid supplying operation of the injection pump is achieved, so that the practicality is stronger; and the automatic filling device is simple in structure, reliable in performance and low in cost, and is suitable for popularization and application.

The invention relates to the technical field of thermal management of electronic equipment, and specifically discloses a consumable evaporative refrigeration device, including a moisture heat exchanger, a liquid storage tank, and a control unit; an infusion pipeline and Liquid return pipeline, the control unit is electrically connected to the liquid return pipeline, liquid storage tank, and infusion pipeline respectively; its use method is to judge the temperature of the gas, if the temperature is too high, it will enter the humidity heat exchanger to cool down, and pass The infusion pipeline replenishes the liquid in the humid heat exchanger, and the residual free liquid in the humid heat exchanger is recovered and reused, which can prolong the effective cooling working time of a single liquid addition maintenance and reduce the maintenance workload.

The invention provides a dripping device and a tracking tester adopting the device, which relate to the technical field of detection. The dripping device includes a support, an infusion component and a measurement component mounted on the support. The infusion component is used to deliver the electrolyte to the measurement component; the measurement component is installed on the bracket, the measurement component is used to receive the electrolyte delivered by the infusion component, and the measurement component is configured to be able to measure the Whether the volume weight of the electrolyte delivered by the infusion assembly to the measurement assembly reaches a preset value, and when the measurement assembly detects that the volume weight of the electrolyte reaches a preset value, the infusion assembly stops delivering the electrolyte, and the measurement The assembly releases the electrolyte onto the test platform of the tracking tester. The dripping device provided by the present invention can precisely control the volume weight of the electrolytic solution dropped on the test platform, thereby improving the test accuracy of the tracking test machine.

The application discloses a high-efficiency and energy-saving automatic liquid replenishing liquid cold source equipment in the technical field of cooling equipment, including a water tank, the water tank is connected with a liquid replenishing tank, and the liquid replenishing tank is connected with a liquid replenishing pipe extending into the water tank. The bottom of the water tank is provided with a refilling port, the water tank is provided with a movable floating ball, and the inner wall of the water tank is connected with a first swing rod and a second swing rod in turn from top to bottom, and one end of the second swing rod is connected to the A floating ball is connected, a connecting rod is hinged between the other end of the second rocking rod and one end of the first rocking rod, and the other end of the first rocking rod is connected with a U-shaped plate for sealing the liquid replenishment port. By setting the movable floating ball, the floating ball passes through the second pendulum rod, the connecting rod and the first pendulum rod, so that the U-shaped plate does not seal the liquid replenishment port, and the cooling liquid in the liquid replenishment tank realizes automatic liquid replenishment through the liquid replenishment port.