176results about How to "Real-time temperature control" patented technology

The invention provides an electrochemical polishing device for the inner surface of a long and thin pipeline and belongs to the field of precise non-traditional machining. The structure of the electrochemical polishing device comprises a control terminal module, a power supply system, a monitoring module and a processing main body, wherein the control terminal module has a function of displaying each current environmental parameter of the device; a monitoring system comprises the monitoring module for monitoring each environmental parameter. The electrochemical polishing device disclosed by the invention adopts a tool electrode with a spiral slot structure; during polishing, the tool electrode performs axial linear reciprocating movement and rotary motion to realize full controllable perturbation of a fluid inside the pipeline and take away air bubbles and processing precipitates generated during processing, so that electrolytic reaction on the inner surface of the long and thin pipeline is performed uniformly; a vacuum pump is used for sucking out electrolyte from the bottom end of the pipeline so as to prevent ejection of the electrolyte during processing; the electrolyte is fully purified by an electrolyte circulating filtration system, so the service life of the electrolyte is prolonged; the temperature of the electrolyte can be regulated and controlled in real time by an electrolyte heating system, so that the polishing effect is improved.

The invention discloses a power stable solid laser and a control method thereof. The power stable solid laser comprises a base inside which cooling water flows, a heat-conducting carrier for mountingand fixing an optical crystal of the solid laser, a temperature sensor disposed on the heat-conducting carrier, a semiconductor refrigeration unit disposed between the heat-conducting carrier and thebase and driven by a bipolar current driver, and a control unit. A temperature-current double closed-loop control system is realized on the basis of the conventional temperature control system; an inner loop is a closed current loop controlled by PI, and an outer loop is a closed temperature loop controlled by PID, so as to improve the control precision of the system, and finally achieve the purpose of improving the power stability of the solid laser.

The invention discloses an AGC control system for a 660MW supercritical unit under deep peak regulation, belonging to the technical field of AGC control. When the load of the unit is in a deep peak regulation interval, minimum flow limitation is carried out on the flow of a gas pump; when the flow of a single gas pump is smaller than 425T/H, and a re-circulating valve of the gas pump is involved in gas pump inlet flow regulation, is slowly started and is maintained to work over a minimum output; meanwhile, the smoke temperature is increased at a boiler side, and a denitration wide load baffleis slowly turned down along the load of the unit so as to maintain the smoke temperature of the unit under a low load; and when the load of the unit is in a deep peak regulation interval, AGC speed isautomatically reduced through judgment, meanwhile, PID self-adaption and variable parameter control of boiler main control and steam engine main control can be realized through AGC, so that the automatic control quality is improved. According to the AGC control system, the following of the re-circulating valve and the denitration wide load baffle of a steam feed pump along the automatic load control of the unit, the AGC automatic control under deep peak regulation, the steam engine main control PID self-adaption control and the boiler main control PID self-adaption control can be realized.

The invention discloses a frying and roasting machine. The frying and roasting machine uses a first sensor assembly and a second sensor assembly to measure temperature of fried and roasted food and temperature of a first heating plate respectively and transmits the temperature to a controller. The controller processes data according to the current temperature of the fried and roasted food and the current temperature of the first heating plate so as to control the temperature of the first heating plate in real time and control maturity degree of the fried and roasted food. The frying and roasting machine can adjust the temperature in frying and roasting in real time according to real conditions, obtain fried and roasted food with higher quality, conform to relevant regulations of food machining better and lower adverse risks or risks in damaging health.

The invention discloses an indoor experimental simulation device for causing corrosion of metallic materials by a direct-current stray current, and belongs to the technical field of metallic materialcorrosion testing. The device comprises a numerical controlled socket, a grounding wire, a box body, a temperature control system, a humidity control system, a corrosion experimental system and an electrochemical testing system, the temperature control system and the humidity control system are fixed on the box body, the corrosion experimental system and the electrochemical testing system are located in the box body, the socket is located on the box body, and the grounding wire is arranged at the bottom of the box body. By means of the indoor experimental simulation device, simulation experiments in which corrosion is generated by the metallic materials under the influences of a stray current under laboratory conditions can be achieved while the corrosion process can be monitored through the electrochemical testing system; the experiments can be conducted under constant-temperature and constant-humidity conditions due to controllable environmental temperature and humidity. In addition,the structure of the device is simple, sample placing and taking are easy, and the production cost is low.

The invention discloses a drying machine for grain production. The drying machine comprises a feeding chamber, a spiral feeding rod, a feeding port, a driving device, an air outlet, a humidity detecting device, a motor, a steam boiler, an air blower, a temperature regulating device, a mixing shaft, mixing blades and a conveying device, wherein the spiral feeding rod is fixed to the inner side of the feeding chamber, and the right end of the spiral feeding rod is connected with the driving device; a drying chamber is fixed to the bottom side of a rust removing pipe; the steam boiler which is connected with the air blower is positioned at the upper right of the drying chamber; a motor is mounted at the left side of the steam boiler, and the bottom end of the motor is connected with the mixing shaft; the temperature regulating device is embedded into the outer wall of the mixing shaft; the mixing blades are arranged at two sides of the mixing shaft. The drying machine for the grain production is simple and novel in structure; the feeding speed can be freely controlled through the spiral feeding rod; the humidity of the discharged air can be detected through the humidity detecting device; the materials can be fed after the humidity meets the requirement, so that the drying efficiency can be greatly improved.

The invention provides a control system and a control method for a low temperature fluidizing chlorination furnace. The control system for the low temperature fluidizing chlorination furnace comprises a thermometer which is arranged in the low temperature fluidizing chlorination furnace for measuring a system temperature in the low temperature fluidizing chlorination furnace, a solid material feeding valve which is mounted between the low temperature fluidizing chlorination furnace and a raw material cabin providing carbonized blast furnace slag to the low temperature fluidizing chlorination furnace and is used for controlling addition amount of the carbonized blast furnace slag, a chlorine feeding valve which is arranged between and connected with a chlorine source and the low temperature fluidizing chlorination furnace and is used for controlling air inflow of chlorine, and a controller which adjusts the opening degrees of the solid material feeding valve and the chlorine feeding valve based on the system temperature measured by the thermometer. With the control system and the control method for the low temperature fluidizing chlorination furnace, real time control of the system temperature and the height of an inner material level of the low temperature fluidizing chlorination furnace can be realized, so a production process for titanium tetrachloride can be safely and highly efficiently carried out.

The invention belongs to the technical field of AGC (automatic gain control) control and discloses an AGC control method for a 660MW supercritical unit under deep peak-load regulation. The method includes: when a unit load enters a deep peak-load regulation range, subjecting flow of steam pumps to minimum flow limitation; when the flow of each single steam pump is smaller than 435T/H, enabling a steam pump recirculation valve to participate in steam pump inlet flow regulation, slowly opening, and keeping each steam pump operating above minimum output; increasing smoke temperature on a boiler side, and slowly closing a denitrification wide load baffle along with the unit load to keep smoke temperature under a low unit load condition; after the unit load enters the deep peak-load regulationrange, automatically reducing the rate through AGC rate judgment, and enabling boiler master control and steam engine master control PID self-adaption variable-parameter control through AGC control, so that automatic control quality can be improved. Automatic control of the steam feed pump recirculation valve and the denitrification wide load baffle along with the unit load, AGC automatic controlunder deep peak-load regulation, steam engine master control PID self-adaption control and boiler master control PID self-adaption control are realized.

The embodiment of the invention provides a temperature control system, a detection system and a temperature control method of a micro-fluidic chip. The temperature control system comprises a circuit structure which is used for being arranged in the functional layer in the micro-fluidic chip and corresponding to the reaction area of the micro-fluidic chip, wherein the circuit structure comprises atleast two thermistors and a plurality of ports and the ports comprises an input end and an output end; and a main control unit which is electrically connected with each port and is used for selectingdifferent input ends and/or different output ends to form use circuits with different resistance values so that the circuit structure can be switched between being used as a heating device and beingused as a temperature sensor. The two multiplexing functions of the circuit structure do not interfere with each other, the temperature of the reaction area can be controlled in real time, it is guaranteed that the reaction area is always at the needed temperature without additionally increasing the size of the temperature control system or the size of the detection system and the cost is low.

A turbine lubricating oil temperature online regulating device with precise temperature control, the online regulating device is arranged on the oil inlet manifold of the lubricating oil, comprising:a fuel tank, an oil inlet pipe, an oil outlet pipe, a rectifier grid, a stirring rod, a heater, an evaporative cooling device, a temperature controller and the computer. The rectifier grid is arranged on the side of the oil tank near the oil inlet pipe, the fuel tank is arranged with a stirring rod and a heater extending into the oil tank, an evaporative cooling device is also arranged in the oiltank, and the heater and the evaporative cooling device are both in connected to the temperature controller and the computer. The turbine lubricating oil temperature online regulating device with precise temperature control can realize online real-time precise cooling of the lubricating oil. For example, during the start-up process, the unit speed is gradually increased, and the temperature of the lubricating oil is gradually increased. At this time, the temperature of the lubricating oil can be quickly reduced by the temperature control device. The system is simple, easy to install and uninstall, accurately controlling the temperature of the lubricating oil entering the bearing housing, reducing the lag of the adjustment time, and realizing online, real-time and precise temperature control.

The present invention discloses a power distribution cabinet with a good heat dissipation effect, pertaining to the technical field of power equipments. The power distribution cabinet comprises a cabinet body, a controller arranged in the cabinet body, a temperature control system electrically connected with the controller, and a humidity control system, wherein the humidity control system is arranged in the cabinet body and the humidity control system is electrically connected with the controller. The temperature control system comprises a temperature sensor arranged on the inner wall of oneside of the inside of the cabinet body; a refrigerating box, wherein the refrigerating box is arranged close to the cabinet body and the refrigerating box is connected with the cabinet body; and heatdissipation components arranged on the bottom of the inner wall of the cabinet body. The middle part of the refrigerating box is provided with a partition plate. A refrigerating part is located on theupper end of the partition plate, in the refrigerating box. A heat dissipation part is located under the lower end of the partition plate, in the refrigerating box. The refrigerating part comprises abox body, wherein the box body is arranged at the lower end of one side of the cabinet body and the box body is connected with the cabinet body; an evaporator, wherein the evaporator is arranged in the box body and the evaporator is used for refrigerating; a cold air fan used for inducing air; and a cold air motor used for driving the cold air fan. The power distribution cabinet can be used for refrigeration and dehumidification, and the power distribution cabinet has the advantages of convenience for using and good heat dissipation effect.

The invention discloses a 3D printing melt extrusion shower nozzle, which comprises a printing head, a driving roller, a driven roller, a heater and a motor, wherein the motor is in transmission connection with the driving roller; an extruding space allowing printing materials to enter is formed between the driving roller and the driven roller; the printing head comprises a main body part provided with a cylindrical cavity, a cone-shaped part connected to the bottom end of the main body part and provided with a cone-shaped cavity, and an ejecting part connected to the bottom end of the cone-shaped part and provided with a cylindrical cavity; and the heater is arranged at the outer side of the main body part in a winding manner. The 3D printing melt extrusion shower nozzle has the advantages that the ejecting part provided with the cylindrical cavity is arranged at a nozzle of the printing head, so that the control precision is high; through the arrangement of a temperature sensor, the temperature of a heating cavity can be controlled in real time, so that the materials can be evenly extruded; and an extruding spring is arranged between the driven roller and printing materials, so that the friction force between the printing materials and the driven roller can be controlled, and the control precision is improved.

The invention discloses a medicine mixing device for biomedical research. The medicine mixing device comprises a device body and a base, wherein the device body is mounted at the upper end of the base; a rotating shaft is mounted in the middle of the device body; stirring blades are arranged on the outer side of the rotating shaft; a motor is rotationally connected with the upper end of the rotating shaft; a grinding roller is arranged on the outer side of the rotating shaft; a protection shell is arranged at the upper end of the device body; a driven roller and a brush are arranged inside theprotection shell; an electromagnetic heater is mounted at the lower end of the device body; a temperature detector is arranged on a side surface of the device body; a measuring cylinder is arranged on the side surface of the device body; a liquid outlet is formed in the upper end of the measuring cylinder; the lower end of the measuring cylinder is communicated with the device body through a guide tube; a valve is mounted inside the guide tube. The medicine mixing device is simple in structure, has functions of liquid medicine weighing and solid medicine grinding, is capable of alleviating working intensity, improving research mixing effects, meanwhile has a heating function, and is convenient to use.

The invention discloses an intelligent cyclic flowing type erosion corrosion testing system and testing method. The system comprises a temperature control system, a test piece erosion corrosion system, a test solution circulating system and a test solution stirring system. The test piece erosion corrosion system comprises a rubber plug, a tower connector, a connecting shaft rod, a test piece platform and a test piece and is mounted between the top and the bottom of a cylindrical test piece tank. One end of a pipeline is connected with the rubber plug while the other end is connected with one end of an upper corrugated pipe, the other end of the upper corrugated pipe is connected with a water pump, and one end of a lower corrugated pipe is connected with the rubber plug while the other endextends into a stirring tank to form the test solution circulating system. A third guide rail is connected with a motor angle part which is connected with a motor, and one end of an extension shaft isconnected with one end of the motor through a coupler while the other end extends into a test solution tank to form the test solution stirring system. The temperature control system comprises three groups of thermocouples, a control circuit and wires. Test piece flushing under different operating conditions is realized, and testing precision is improved.

The invention provides an auxiliary air-cooled wire drawing machine and belongs to the field of wire drawing machines. For an existing wire drawing machine, especially for a water tank wire drawing machine adopting the spraying manner on the aspect of cooling, the defect that temperature adjustment cannot be achieved in a wire drawing box exits, the auxiliary air-cooled wire drawing machine is provided and aims at overcome the defect. According to the auxiliary air-cooled wire drawing machine, improvement is conducted based on the prior art, the auxiliary air-cooled wire drawing machine comprises a wire drawing box, an unwinding mechanism and a winding mechanism. Tower wheels and wire drawing molds between the tower wheels are arranged in the wire drawing box. A spray pipe is horizontally arranged over the tower wheels and the wire drawing molds. Multiple spray heads perpendicular to the spray pipe are arranged outwards. A liquid storage box is arranged at the bottom of the wire drawing box. A temperature sensor is arranged in the liquid storage box and connected with a PLC arranged outside the wire drawing box. The PLC is connected with a fan on one side of the wire drawing box. By the adoption of the auxiliary air-cooled wire drawing machine, the temperature in the wire drawing box can be adjusted in real time through auxiliary fans, and the abnormal working conditions are prevented.

The invention relates to a container-type comprehensive ecological farm, which comprises a container body; a channel which is arranged in the container body in its length direction and penetrates twoends of the container body; one side of the channel is provided with a fish box for farming fish, and the upper end of the fish box is provided with a culture medium; one end of the fish box is provided with a circulating water processor, and one end, far away from the fish box, of the circulating water processor is provided with a hydroponic device; the circulating water processor is communicatedwith the fish box and the hydroponic device, and conveys water from the fish box into the hydroponic device; the other side of the channel is provided with a control chamber and a storage chamber, the control chamber is arranged at one end of the storage chamber, the other end of the storage chamber is provided with a planting bed for planting vegetables, melons and fruits, one end, far away fromthe storage chamber, of the planting bed is provided with an earthworm farming box, and the upper end of the earthworm farming box is provided with a poultry farming box for farming poultry. Comparedwith the prior art, the container-type comprehensive ecological farm has the advantages that the size is small, the influence from plant diseases and insect pests is reduced, the ecological cycle utilization rate is high, and fresh and safe organic foods are provided.

The invention discloses a temperature-adjustable microorganism culture device and method, and relates to the technical field of microorganism culture. The device comprises a culture box, a base and aculture dish, wherein the bottom of an inner cavity of the culture box is fixedly connected with the bottom of the base, the top of the base makes contact with the bottom of the culture dish, a driving box penetrates through the top of the culture box, the top of an inner cavity of the driving box is fixedly connected with a motor through a supporting plate, and the output end of the motor is fixedly connected with a threaded rod through a coupler. According to the temperature-adjustable microorganism culture device and method, external air can be prevented from directly entering the culture box, so that bacteria in the air are unlikely to pollute a culture medium in the culture box; and moreover, manual operation is not needed when a culture solution or water needs to be added, the overall culture effect is good, the culture dish can be well fixed, and the temperature in the culture box can be controlled in real time.

The invention relates to a cushion with switchable bearing parts and a switching control method. The temperature of conventional cushions with switchable bearing parts cannot be uniformly controlled. The cushion with switchable bearing parts in the invention comprises a cushion (42); the cushion is connected with a control unit (40) via a pipeline; the control unit is connected with a medium box (16) via a pipeline; the cushion comprises a base plate (2); the base plate is provided with an inlet-and-outlet pipe A (6) and an inlet-and-outlet pipe B (7); the inlet-and-outlet pipe A is communicated with coating films on or lining capsules of a group of grooves A (3) to form a cavity; the inlet-and-outlet pipe B is communicated with coating films on or lining capsules of a group of grooves B (4) to form another cavity; and the soft films on the grooves are separately connected with the ends of the grooves A and the grooves B. The invention discloses the cushion with switchable bearing parts and the switching control method.