11results about How to "Maintain a constant temperature" patented technology

The invention discloses a drawer device, a refrigerator and a control method of the refrigerator, and the drawer device comprises a cabinet body and a drawer body; a containing cavity with an opening in the front side is defined by the cabinet body, the cabinet body is further provided with an exhaust outlet, an air supply cavity and an air supply outlet communicated with the air supply cavity, and the exhaust outlet and the air supply outlet are both communicated with the containing cavity; the drawer body is provided with a containing groove used for containing food materials, the drawer body is contained in the containing cavity and seals the opening, and a ripening chamber and a fresh-keeping chamber are arranged in the containing groove in a spaced mode; the air supply outlet is used for blowing cold air into the containing groove, and the area of an air supply opening, blowing towards the ripening chamber, of the air supply outlet is larger than that of an air supply opening, blowing towards the fresh-keeping chamber, of the air supply outlet. According to the technical scheme, food materials in the drawer device can be rapidly cooled, meanwhile, water loss of the food materials can be reduced, and the quality of the food materials can be kept for a long time.

The utility model provides a highland barley proteolysis constant-temperature circular reaction device which comprises a fixed barrel, a mounting barrel is fixed on the side of the fixed barrel, a motor seat is fixed on the side of the mounting barrel, an exhaust fan is fixed in the motor seat, a rotating seat is movably mounted at the top of the fixed barrel, an exhaust hole is formed in the rotating seat, and a motor is fixed on the motor seat. And a barrel body is fixedly mounted in the fixed barrel. According to the highland barley proteolysis constant-temperature circular reaction device, when a material needs to be cooled to control the temperature required by the reaction, the material is pumped out from the interior of the barrel body through the water pump and then enters the interior of the barrel body through the top after being pumped out for circular reaction, and in the pumping and moving process of the water pump, cooling water enters the cooling seat; cooling water flows on the side of the ring seat, adsorption cooling is carried out on the temperature of the material in the ring seat after flowing is completed, and accurate control over the temperature is achieved in the material circulating moving process.

The utility model relates to a filter box for reducing the pouring and drying amount of aluminum alloy melt, and belongs to the technical field of melt filtering. The filter box comprises a filter box body; a filling block is arranged in the filter box body and is suspended in the center of the interior of the filter box body; a lifting lug is arranged at the top of the filling block; a winch is arranged on a wall body above the filter box body; a hook is fixed at one end of the bottom of a cable in the winch; the lifting lug is detachably connected with the hook; a filter plate is arranged at the lower part of the filter box body; and a liquid outlet is formed below the filter plate. The filling block is additionally arranged in the aluminum alloy melt filter box provided by the utility model and is placed in the center of the filter box, so that the constant temperature of each part of the flowing aluminum liquid can be effectively ensured, the flow speed in the filter box is stable, the drying amount is reduced, the consumption of the aluminum alloy solution is reduced, and meanwhile, the production efficiency and the stability in the casting process are improved; and defects are reduced, so that the rework rate and the rejection rate are reduced.

The utility model discloses a kind of sample preparation devices for preparing crosslinked polyethylene insulating material sample in laboratory, belong to sample preparation device field, comprising: hot-air box, including the box and cover body of each other movable connection;With the hot-air box intercommunication hot air source;Drum, including cylinder, first side cover and second side cover, first side cover and second side cover are respectively threadedly connected in the both ends of cylinder, first side cover and second side cover are all detachably rotatably connected in box;Driver, the driving shaft of driver and first side cover detachably driving connection. Still including first rotation axis and second rotation axis that box is rotatably connected, first rotation axis and first side cover are connected, second rotation axis and second side cover are connected, first rotation axis and the driving shaft of driver are detachably driving connection. The technical effect of the utility model is that it not only saves time and effort, but also is convenient for guaranteeing constant temperature, and shaking uniformity is good.

This invention discloses a reusable diaphragm wall leakage detection device, comprising a detection tube disposed on the outside of the diaphragm wall, a heating device and a measuring device disposed inside the detection tube, the heating device being connected to an external temperature controller, and the measuring device being connected to an external fiber optic demodulator. Both the fiber optic demodulator and the temperature controller are connected to a leakage analysis host, which analyzes the fiber optic demodulator and provides signals to the temperature controller to adjust the heating device. The detection tube is placed by drilling holes on the outside of the diaphragm wall joint, eliminating the need to weld the detection device to the diaphragm wall reinforcement cage. The servo motor controls the opening and closing turntable and connecting rod to achieve deployment / retraction, allowing the sensor and heating band to be in close contact with the detection tube, resulting in more accurate detection and easier recycling, significantly saving costs. The temperature controller controls the heating band for nonlinear heating, maintaining a constant temperature of the groundwater around the detection device, making it more sensitive to temperature changes caused by leakage water and improving measurement accuracy.

This utility model discloses an embossing device for diaper processing, including a surface layer frame, a straightening frame, an embossing frame, and a receiving frame. The surface layer frame has rollers on which a roll of surface layer is placed. The straightening frame has a cylinder at its top, with the cylinder's drive end pointing downwards and a retractable pressure plate at its end. A fixing plate is located below the retractable pressure plate. An ultrasonic embossing component is mounted on the top of the embossing frame. An instrument box is located on one side of the embossing frame, containing instruments connected to the ultrasonic embossing component. This utility model adds a straightening frame between the surface layer frame and the embossing frame. The straightening frame has a fixing plate and a retractable pressure plate, and a heater on one side to heat the surface layer, thus straightening it better for the subsequent embossing process. The instrument box on one side of the embossing frame is easier to view and operate compared to existing structures where the instrument box is located on top of the ultrasonic embossing component. This utility model has a novel structure, strong practicality, and is suitable for widespread application.

The utility model belongs to the technical field of chemical sampling, and particularly relates to a phosphate solution sampling device which comprises a constant-temperature box body, and a sealing cover is arranged on the side wall of the constant-temperature box body; a temperature sensor is fixedly connected to the side wall of the constant-temperature box body; a supporting rod is fixedly connected to the bottom of the inner side of the constant temperature box body; the top of the supporting rod is fixedly connected with a circulating pipe; the top of the circulating pipe is fixedly connected with a water filling nozzle; the bottom of the circulating pipe is fixedly connected with a water outlet; an electric push rod is fixedly connected to the bottom of the inner side of the constant-temperature box body; the top of the electric push rod is fixedly connected with a pressing plate. A plurality of placing grooves are formed in the bottom of the inner side of the constant temperature box body; the sampling bottle can be kept at a constant temperature in the constant-temperature box body by additionally arranging the circulating pipe, so that the situation that the temperature of the phosphate solution in the sampling bottle fluctuates, so that the measurement error of the phosphate solution is caused is reduced, and the integrity of the sampled phosphate solution is further improved.

The utility model provides a sheet tube type heat exchanger for a slaughter scalding pool, which relates to the technical field of heat exchangers, and comprises an input pipe for leading in a thermal medium, the input pipe is connected with a heat exchange pipe through an input end, and the other end of the heat exchange pipe is connected with an output pipe through an output end; the input pipe is used for inputting a heat medium into the heat exchange pipes through the input end and outputting the heat medium from the output pipe through the output end, and fins for increasing the heating area are arranged on the heat exchange pipes. The heat exchange efficiency is greatly improved, heat of a heat medium can be quickly transferred to water in the scalding pool, heat transfer and release are achieved, the water temperature is increased, and the temperature in the slaughter scalding pool is kept constant.

The application relates to the technical field of refrigerator drawer heat insulation, in particular to a refrigerator. The refrigerator comprises a cabinet, shelves and a plurality of drawers; the cabinet is provided with an opening; the shelves are provided with a plurality of pieces, and the plurality of shelves divide the cabinet into a plurality of accommodation spaces which are communicated with the opening; a first air outlet is arranged on the wall surface of each accommodation space; each drawer is slidably arranged in the accommodation space through the corresponding opening and has an opening in the height direction of the refrigerator; wherein each shelf comprises a layer plate and a heat insulation plate; the layer plate is used for plugging the corresponding opening; a channel is arranged on the layer plate; the channel is communicated with the first air outlet and the interior of the drawer; the heat insulation plate is arranged in the layer plate; and each drawer is provided with an isolation cavity in the depth direction of the refrigerator and on the side close to the opening. The application processes the drawer from the aspects of heat preservation treatment of the easy-leakage side and cold air supplement, so that the cold air effect in the drawer is guaranteed to the maximum, and the fresh-keeping effect on the articles is improved.

The utility model discloses a kind of hydraulic system special for color cosmetic pencil, comprising: oil tank, motor is fixedly installed on the upper surface of the oil tank, the output end of motor is connected with shaft coupling, shaft coupling is externally sleeved with bell cover, the end portion of shaft coupling is drivingly connected with oil pump, oil pump is constant power pump, air cooler is also fixedly installed on the upper surface of oil tank, air cooler is connected with the inside of oil tank and oil pump by pipeline, oil passage block, oil return filter and oil filler are also installed on the upper surface of oil tank, oil passage block is connected with oil pump and oil return filter respectively by pipeline, first electromagnetic reversing valve is fixedly arranged on the top of oil passage block, pressure relay and throttle valve are installed on the oil passage block, throttle valve is connected with oil cylinder and pressure relay, second electromagnetic reversing valve is installed on the throttle valve.The utility model monitors liquid level and liquid temperature in oil tank in real time and cooperates with air cooler, temperature control is carried out to hydraulic oil, the constant temperature of hydraulic oil is guaranteed, the stability of hydraulic system is improved, and the precise control of pressure is realized.

The invention discloses a neurology cerebrospinal fluid extraction and inspection integrated device which structurally comprises an inspection box, a handle, a test tube groove and a transparent window, the transparent window is arranged on the surface of the inspection box, the test tube groove and the inspection box are of an integrated structure, and the handle is hinged to the inspection box. A lifting handle, a rubber seal, a straight-through assembly, a test tube, a connecting mechanism and a tube body guide part are arranged in the inspection box, the rubber seal is connected with the straight-through assembly, the lifting handle penetrates through one end of the test tube groove to be connected with the straight-through assembly, the bottom of the straight-through assembly is communicated with the test tube, and the bottom of the test tube is arranged in the tube body guide part; the three test tubes are arranged in the inspection box, the test tubes are connected with the straight-through assembly, the straight-through assembly is a three-way tube, when cerebrospinal fluid is extracted, the test tubes are connected to the tail of a needle from a rubber seal, then the extracted cerebrospinal fluid can flow into the three test tubes through the three-way tube, a doctor does not need to replace the test tubes manually, and the operation is convenient. And the received test tube can be directly submitted for inspection, so that the operation is convenient.