11results about How to "Uniform temperature change" patented technology

The invention relates to the technical field of in-vitro diagnosis, and discloses in-vitro diagnosis equipment and a temperature control adjusting device.The temperature control adjusting device comprises an inner circulation cavity and an outer circulation cavity, the outer circulation cavity is communicated with the external environment, and the inner circulation cavity is communicated with the outer circulation cavity through a movable air door; the air door is used for communicating or separating the inner circulation chamber and the outer circulation chamber; a plurality of mounting holes used for mounting reaction containers are formed in the top surface of the inner circulation chamber, clamping positioning pieces used for clamping the reaction containers are arranged in the mounting holes, and a temperature detection assembly and a temperature adjusting assembly used for heating air are arranged in the inner circulation chamber; the temperature detection assembly is in signal connection with the temperature adjusting assembly so as to control the working state of the temperature adjusting assembly. An inner circulation fan used for enhancing airflow disturbance is arranged in the inner circulation cavity, and an outer circulation fan used for enhancing airflow disturbance is arranged in the outer circulation cavity. The temperature change uniformity of the reaction container can be improved, and the reaction container is convenient to take and place and low in energy consumption.

The invention discloses a composite material compression molding cold and hot integrated common platform, and relates to the field of composite material processing. The cold and hot integrated common platform for compression molding of the composite material comprises a first platform and a second platform, and the first platform comprises a first supporting seat and a first temperature control adjusting seat; the second platform comprises a second supporting seat and a second temperature control adjusting seat; the first temperature control adjusting base and the second temperature control adjusting base are each provided with a cold and hot adjusting unit. According to the composite material compression molding cold and hot integrated common platform, the cold and hot adjusting unit can form a plurality of communicating pipelines in the first temperature control adjusting base and the second temperature control adjusting base through the arranged oil guide base assembly, the conveying pipe and the temperature control pipe, and the communicating pipelines can form a plurality of independent circulating systems; and hot fluid and cold fluid are injected into different circulating systems, so that the cold and hot adjusting requirement can be met, and then the mold pressing process requirement of thermosetting and thermoplastic composite materials can be freely met.

The utility model discloses a heat exchange device and water treatment facilities. The heat exchange device includes main part, first outflow joint and at least two first inflow joint, the main part is arranged in water treatment facilities and is inside provided with heat exchange cavity, first outflow joint with main part is connected and is communicated in heat exchange cavity, each first inflow joint with main part is connected and is communicated in heat exchange cavity, each first inflow joint is communicated with the different parts of heat exchange cavity respectively. The heat exchange device provided in the application is provided with at least two first inflow joint on the main part, and the heat exchange water can flow into the heat exchange cavity in the inside of the main part through the at least two first inflow joint, each first inflow joint is located at the different parts of the main part, and then the temperature change of the heat exchange device main part can be more uniform, and the heat exchange efficiency of the heat exchange device and the heat dissipation end of refrigerating device is improved.

The invention provides a friction welding auxiliary machining device for a ring pipe structure and a working method of the friction welding auxiliary machining device, and belongs to the technical field of friction welding. The problems that heat treatment is not conducted in time in existing inertia friction welding, large internal stress is generated on a ring material due to too fast cooling, and cracks extending in the transverse direction and the longitudinal direction of an inner ring are generated at an inner ring weld joint due to material characteristics are solved. The device comprises a first to-be-welded shaft rod, a tailstock side clamp, a main shaft side clamp, a second to-be-welded shaft rod, an internal spray head and a heating assembly, the first to-be-welded shaft rod is placed in the tailstock side clamp, the second to-be-welded shaft rod is placed in the main shaft side clamp of friction welding equipment, and the internal spray head is arranged on the inner side of a welding seam of the first to-be-welded shaft rod and the second to-be-welded shaft rod. A plurality of spray holes are evenly distributed in the internal spray head, the internal spray head is connected with one end of the connecting pipe, the other end of the connecting pipe is connected with an air source through an elbow, and the inner diameter of the internal spray head is larger than the outer diameter of the connecting pipe. The device is mainly used for protecting a friction welding area.

The utility model discloses a polishing device for high-precision screw machining, which comprises an operating platform, a groove is arranged on the operating platform, two threaded blocks are slidably arranged in the groove and connected through an elastic component, a first clamping component is arranged on the two threaded blocks, a driving mechanism is arranged in the groove, and a second clamping component is arranged on the driving mechanism. A second clamping assembly is further installed on the operation table and comprises an installation ring, second springs are symmetrically arranged on the inner wall of the installation ring, the ends of the second springs are connected with a limiting plate, a heating plate is arranged in a transverse plate where the limiting plate is located, and a grinding device body is arranged on the operation table. According to the grinding device for machining the high-precision screw, the stability of the screw in the machining process is improved through cooperation between the first clamping assembly and the second clamping assembly, the heating plate is arranged in the limiting plate of the second clamping assembly, thermal stress caused by temperature difference in the grinding process of the screw can be effectively reduced, and the grinding quality of the screw is improved. The service life is prolonged.

The present invention discloses a stable and sealed pet product injection mold and an injection molding process. The present invention relates to the field of injection mold technology, including a template, the template is fixedly connected to a guide column, a through slot is opened in the middle of the top of the template, a fixing ring is fixedly connected to the inner wall of the through slot, a card block is fixedly connected to the inner wall of the through slot, the card block is hook-shaped, there are two cards, two of the cards are symmetrically arranged inside the through slot, a positioning ring is fixedly connected to the bottom of the module, and a protrusion is provided inside the positioning ring. This stable and sealed pet product injection mold and injection molding process, through the card connection between the card slot and the card block, makes the lower mold and the upper mold fit tightly and seal, avoids the existence of a gap when the mold is closed, resulting in quality problems of the product, and requires additional processing and inspection, thereby extending the injection molding cycle, which will reduce production efficiency and increase production costs.

The invention discloses a large-span high-performance sunlight energy-saving greenhouse, and relates to the technical field of sunlight greenhouses, the large-span high-performance sunlight energy-saving greenhouse comprises a rear wall, a rear roof is arranged above the rear wall, side walls are arranged at the two ends of the rear wall respectively, a plurality of side doors are formed in the side walls, and the sides, away from the rear wall, of the two side walls are jointly connected with a base body. The outer support and the inner supports are arranged on the top of the greenhouse, the load borne by the top of the greenhouse can be effectively improved when the span is increased, the outer thin film covers the outer support and is fixed and kept stable through the clamping springs, the inner thin films arranged in the lower partition mode are combined, the inner thin films droop due to the gravity factor, and downward acting force can be formed on the framework; the bearing performance of the framework is further improved through multi-direction cooperative traction, the inner thin film can reduce the situation that water vapor in the greenhouse is attached to the lower portion of the outer thin film, the weight borne by the outer thin film is reduced, deformation or collapse of the top layer caused by rain and snow weather is avoided, and the stability of the overall structure of the greenhouse is improved.

The invention provides a high-strength shape memory polyester composite fiber and a preparation method thereof, the shape memory polyester comprises: a shape memory polyester matrix: polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol; a reinforcing phase: glass fiber modified polyamide; wherein the mass ratio of the shape memory polyester matrix to the reinforcing phase is (25: 1)-(7: 3). The glass fiber modified polyamide is used as a reinforcing phase, so that the compatibility and interface bonding force of a shape memory polyester matrix and the polyamide are improved, and the purpose of improving the mechanical property of the shape memory polyester is achieved.

The invention relates to a building material of a phase-change difunctional microcapsule prepared based on needle-based microfluidics and application of the building material, raw materials of the material comprise a difunctional microcapsule and gypsum, and the addition amount of the difunctional microcapsule in the gypsum is 1-5wt%. The difunctional microcapsule prepared by the specific process has temperature regulation capability, namely heat regulation function and energy, and in radiation heating and natural cooling experiments, a building embedded with the microcapsule shows higher thermal inertia than a building without the microcapsule, so that the building has higher thermal inertia. Therefore, the indoor and outdoor temperature change of the building with the microcapsule is more gentle, especially in the melting stage or solidification stage of the microcapsule; especially in the phase change process of the microcapsule, obvious latent heat transfer occurs, so that the temperature change of a building in which the microcapsule is placed is more stable in the heating and cooling processes.

The utility model discloses a cold and hot plate pain detector based on small animals, which belongs to the technical field of medical engineering and comprises a base, a touch display screen is arranged on the front side of the base, and a heat conducting plate is arranged at the upper end of the base; the heat-conducting plate is covered by a barrel, and an openable top cover is arranged at the top end of the barrel; temperature sensors are distributed at the bottom of the heat-conducting plate; a control circuit, a power supply module and a semiconductor chilling plate are arranged in the base; the semiconductor chilling plate is connected with the bottom of the heat-conducting plate; a heat dissipation module is arranged at the lower end of the semiconductor chilling plate; an exhaust fan is arranged on the side edge of the heat dissipation module; the side edge of the base is provided with a heat dissipation window corresponding to the exhaust fan in position. The small animal cold and hot pain detection device is used for realizing cold and hot pain detection experiments of small animals, the experiments are convenient, the labor intensity of workers is reduced, the experiment cost is reduced, and the experiment efficiency and the experiment accuracy are improved.

The temperature acquisition device comprises a heat conduction column, a rack and a temperature sensor, the heat conduction column is made of heat conduction materials, a plurality of battery installation positions are formed on the peripheral side of the heat conduction column, and a plurality of arc-shaped walls corresponding to the battery installation positions one by one are formed on the peripheral wall of the heat conduction column. Each arc-shaped wall can be attached to the battery in the corresponding battery mounting position so as to exchange heat with the corresponding battery; the rack comprises a first rack body and a second rack body, the first rack body abuts against one end of the heat conduction column, the second rack body abuts against the other end of the heat conduction column, the first rack body is detachably connected with the second rack body, and the first rack body and the second rack body are both made of heat conduction materials so as to exchange heat with the heat conduction column; the temperature sensor is arranged on the first frame body or the second frame body so as to detect the temperature of the corresponding frame body. According to the technical scheme, the cost of collecting the temperature of the lithium battery pack can be reduced.