35results about How to "Not damaged by heat" patented technology

The invention relates to an oven with a refrigeration freshness-retaining function. The oven comprises a box (10) with a baking cavity (11), wherein a cycle refrigeration assembly for refrigerating the baking cavity (11) is arranged in the box (10). The oven is characterized in that an air convection hole (12) is formed in the baking cavity (11), the cycle refrigeration assembly is arranged outside the baking cavity (11) and is opposite to the air convection hole (12), a thermal insulation assembly is arranged between the cycle refrigeration assembly and the baking cavity, the thermal insulation assembly comprises a movable thermal insulation component and a thermal insulation component drive mechanism, the movable thermal insulation component is movably arranged outside the air convection hole (12), and the thermal insulation component drive mechanism is connected with the movable thermal insulation component and can push the movable thermal insulation component to move so that the movable thermal insulation component is close to the cycle refrigeration assembly or far away from the cycle refrigeration assembly. Compared with the prior art, the oven has the advantages that the refrigeration freshness-retaining function is provided, so that the fermentation, appointment and remote control functions of the oven are complete, and a semiconductor chilling plate is well protected from being damaged by high temperature.

The invention discloses a method for extracting lipid components. By employing a subcritical extraction technology with a polyfluoroalkane low pressure liquefied gas as an extraction medium, the method can conduct lipid component extraction in various raw materials. Making use of the polyfluoroalkane characteristics of stable chemical property, safety and nontoxity, noncombustibility and existence of dissolved lipid components after liquefaction, the method extracts lipid components (oil, lipoid, oil-soluble pigment, essential oil, wax, etc.) from some raw materials with low energy consumption, and also can select an extraction medium with similar polarity. Characterized by high extraction efficiency and good product quality, the method of the invention can realize room temperature or low temperature operation in the overall process, and ensure every functional component in the raw materials free from thermal destruction to the utmost. And degreased meal can undergo secondary deep development, thus benefiting for comprehensive utilization of raw materials and realization of high value-added processing. Therefore, the method provided in the invention is of important application value.

The invention relates to a hydraulic system of a dual-purpose excavation and shoveling machine. The hydraulic system comprises a hydraulic oil tank, oil supply systems, an oil return system, an amplitude changing system, a telescopic system, a rotation system, an air conditioner system and a supporting system, wherein the amplitude changing system, the telescopic system, the rotation system, the air conditioner system and the supporting system are connected with the hydraulic oil tank through the oil supply systems and the oil return system, and respective hydraulic circuits are formed. Compared with the prior art, the hydraulic system has the advantages that switching between soil shoveling operation and excavation operation can be conducted, and the equipment investment cost is greatly saved; the output power at the position of a claw is high, and the claw is applicable to construction of harder ground conditions; the rotation angle of a rotation center is larger than 360 degrees, the working area is large, and the working efficiency is high; the safety is higher when high-difficulty operation is conducted; an air conditioner is additionally arranged in an operating room; a cooling system is arranged on an oil return pipeline, and the service life of the machine is prolonged; the system is simple in structure and reliable in operation, and convenient to use, the balance weight does not need to be added in the reverse direction of the working end, and the total weight of the machine is reduced.

The invention belongs to lithium ion battery technical field, and specifically discloses a composite diaphragm. The composite diaphragm from the top to the bottom successively comprises a porous polymer coating, a thermal insulation layer, a base layer, a thermal insulation layer and a porous polymer coating; wherein the thermal insulation layer is a nanometer inorganic oxide layer. The invention also provides a preparation method of the composite diaphragm, which comprises the steps: dispersing the nanometer inorganic oxide into dispersant to prepare slurry, then coating the slurry on the upper and lower surfaces of the base layer, to prepare the thermal insulation layer; then dissolving polymer in solvent, adding plasticizer and stirring well, preparing polymer coating liquid and coating the liquid on the thermal insulation layer; and finally drying under the temperature of 50 to 90 DEG. The invention also provides a battery that uses the composite diaphragm. The composite diaphragm of the present invention has good heat insulation performance and good high temperature safety performance. The preparation method is capable of simple process and is easy for industrial production.

The invention discloses a device used for assembling a main control CPU, which comprises a main control CPU and a motherboard, and is characterized by further comprising an automatic assembling device, wherein the automatic assembling device comprises a chassis, a transient heating assembly, a piece pushing mechanism and an industrial control module; the chassis is provided with a top plate, a bottom plate and four side plates between the top plate and the bottom plate; the chassis is located on a horizontal platform, and the chassis is in the shape of a rectangular box body; the piece pushing mechanism is located inside the chassis, and the piece pushing mechanism and the chassis are in threaded connection; the transient heating assembly is located at the upper end of the piece pushing mechanism, and the transient heating assembly and the piece pushing mechanism are in threaded connection; and the industrial control module is located at the outer side of the chassis, and the industrial control module and the chassis are in threaded connection.

The invention relates to a method for depositing a thick aluminum-copper film layer with thickness bigger than and equal to 10KA. The method comprises the following steps: a step 1 of depositing on a water surface to form a aluminum-copper film layer in a first reaction cavity; a step 2 of transmitting the water deposited with the aluminum-copper film to a second reaction cavity for cooling, wherein the temperature in the second reaction cavity is lower than that in the first reaction cavity; a step 3 of transmitting the cooled wafer in the first reaction cavity, carrying out the depositing process in the step 1 and the cooling process in the step 2 in a circulating manner to deposit a plurality of layer of aluminum-copper films on the wafer in sequence, and transmitting the wafer in the second reaction cavity for cooling until the thickness of the deposited aluminum-copper films reaches a target value after completing the depositing step of one aluminum-copper film layer every time; and a step 4 of depositing a titanium nitride film on the top of the aluminum-copper film layer. According to the method for depositing the thick aluminum-copper film layer disclosed by the invention, the depositing step and the cooling step are carried out in the circulating manner, so that the wafer temperature is prevented from being extremely high; moreover, the generation of crystal whiskers on the surface of the aluminum-copper film layers is effectively inhibited.