29results about "Heat insulating devices" patented technology

The invention relates to the technical field of biological medicine industry, and provides a multi-stage vacuum heat-insulation high-temperature experimental facility which comprises a body, the body comprises an external box body and an inner container fixed in the box body, a flow guide cover is fixedly installed in the inner container, a detachable material plate is installed in the flow guide cover in a clamped mode, and the material plate is connected with the box body. Steps which are diagonally arranged are formed at the upper end and the lower end of the inner container, an air channel is formed between the inner container and the flow guide cover, an air cavity is formed between the inner side of each step and the flow guide cover, and a movable push plate is arranged in each air cavity; it can be understood that the flow guide cover is arranged in the inner container, the air channel and the air cavity are formed between the flow guide cover and the inner container, airflow circulation is driven by means of movement of the push plate in the air cavity, and materials are evenly heated on the material plate; meanwhile, the material plate is clamped in the flow guide cover through the elastic piece and can be easily installed and taken out through operation of a hand lever, direct contact with the hand is avoided, and using convenience and safety are improved.

Thermal control devices and methods to provide improved control, speed and efficiency in temperature cycling are provided herein. Such thermal control device and methods can include one or more active elements, such a thermoelectric cooler device, that is controlled by an algorithm that regulates a temperature distribution of an adjacent reaction-vessel according to a temperature distribution command trajectory and estimated reaction-vessel temperature distribution. Some embodiments include two active elements that are bilaterally applied to opposing sides of the reaction-vessel. In some embodiments, the estimated reaction-vessel temperature is determined based on a state of power electronics of the element and a temperature output of one or more sensors of a portion of the element and / or an ambient environment of the reaction-vessel. Methods of calibration of such systems utilizing a thermal calibrator as a proxy for the reaction-vessel are also provided herein.

The utility model provides a laboratory glass bottle washing device which comprises a bottle washing support, a glass washing bottle is placed on the bottle washing support, a sealing rubber plug is installed at the position of a bottle opening of the glass washing bottle, a first hole groove, a second hole groove and a third hole groove are independently formed in the sealing rubber plug, and an exhaust pipe penetrating up and down is installed in the first hole groove. A vertically-through gas production pipe is installed in the second hole groove, and a vertically-through liquid conveying pipe is installed in the third hole groove. The upper end of the infusion tube is connected with a glass water flow nozzle through a plastic hose, and the lower end of the infusion tube is connected with a water conveying rubber tube; and the bottleneck of the glass washing bottle is also provided with an anti-skidding heat-insulating protective sleeve. According to the laboratory glass bottle washing device, exhaust of the exhaust pipe can be controlled manually, liquid outflow is stopped immediately, no liquid leakage phenomenon exists, glass water flow nozzles with different calibers can be replaced according to actual application, the water flow thickness is adjusted, and the glass bottle washing effect is improved. The technical problems that in the prior art, various experiment scenes cannot be met, and liquid discharging cannot be stopped immediately are solved.

A tissue sample that has been removed from a subject can be evaluated. A transporter system for carrying a tissue sample includes a transport container, a fixative in the transport container, and a cooling device that reduces and / or maintains the temperature of the fixative to perform a pre-soaking process. A portable transporter system adapted to carry a tissue sample contacting a fixative, can include: a transport container including: a holding chamber; and a fixative; and a container lid including: a cassette holder operable to be coupled to the standard histology cassette and including a first seal; and a cassette receiver operable to be releasably coupled to said transport container and including a second seal, where the cassette holder and cassette receiver are operable to be attachably coupled to one another upon insertion of a standard histology cassette coupled to the cassette holder into the cassette receiver.

The application relates to the technical field of reactor thermal hydraulic and safety, in particular to a long electric heating plate heat insulation structure and a heat transfer simulation experiment device with the same. The long electric heating plate heat insulation structure comprises a heat insulation base, a heating plate and a glue layer; the heat insulation base is configured as a ceramicized resin plate, one plate surface of the heat insulation base is provided with a sink; the heating plate is arranged in the sink so that the plate surface of the heating plate is flush with the plate surface of the heat insulation base, the surface of the heating plate corresponding to the sink wall and the sink bottom is provided with a microporous alumina ceramic layer which is nano-treated by using an active coupling agent; and the glue layer is arranged between the heating plate and the heat insulation base under a high-temperature vacuum pressure environment. The application can ensure that the heating plate has good single-side heat dissipation performance under the temperature condition of bubble formation on the surface of a dispersed fuel element, can guarantee the test safety of the heat transfer simulation experiment device during operation, and can ensure the accuracy of the measurement result in the simulation test.

The invention discloses a temperature control device and method for an ice block low-temperature mechanical test, belongs to the technical field of low-temperature mechanical tests, and provides the following scheme that the temperature control device comprises a temperature control mechanism, a heat preservation mechanism is arranged on the temperature control mechanism, the temperature control mechanism comprises a base and a cooling assembly, and two bottom frames are fixedly connected to the upper portion of the base; fixing frames are fixedly connected to the upper portion of the bottom frame, a test cavity is fixedly connected between the two fixing frames, the two sides of the test cavity are connected with refrigeration equipment through hoses, the refrigeration equipment is installed on a base through a support, and the two sides of the test cavity are connected with the two ends of a cooling assembly. The heat preservation cavity descends, the upper sealing assembly makes contact with the bottom frame to generate thrust, at the moment, the sealing air bags expand and are tightly attached, and therefore the test cavity can be kept closed, low-temperature overflow is reduced, the specified detection temperature can be quickly reached, and the detection efficiency is improved.

The application relates to the technical field of reactor thermal hydraulic and safety, in particular to a heated plate and a heat transfer simulation experiment device with the same. The heated plate comprises a bubbling plate, a heating plate and an insulation layer; the bubbling plate is formed with grooves through a cast-pressing process; the heating plate is arranged in parallel and at intervals with the bubbling plate; the insulation layer is located between the bubbling plate and the heating plate, the insulation layer is connected with the heating plate, and the insulation layer is connected with the bubbling plate through vacuum diffusion welding to enclose the grooves on the bubbling plate into vacuum bubble-shaped parts. The application can accurately simulate the thermal power boundary when the dispersion type fuel element bubbles, realize the simulation and measurement of the flow heat transfer characteristics near the vacuum bubble-shaped parts, and the measurement result has high reduction degree and good reliability.

A microfluidic chip assembly for rapidly performing digital polymerase chain reaction (PCR) and use thereof are provided. The microfluidic chip assembly includes at least one microfluidic chip, a heat sink arranged below the microfluidic chip, a heater arranged above the microfluidic chip, a semiconductor cooler arranged between the heat sink and the microfluidic chip, and a heat-conducting plate arranged above the semiconductor cooler. A thin film layer is bonded at the bottom of the microfluidic chip, and the thin film layer abuts against the heat-conducting plate.

The embodiment of the invention provides heating equipment. The heating equipment comprises a shell (1); the heating assembly (2) is supported by the shell (1), a cavity surrounding the experiment container is formed by the heating assembly (2), and the first surface of the heating assembly (2) is matched with the outer surface of the experiment container; wherein the experiment container is placed in a cavity formed by the heating assembly (2), the heating assembly (2) is opened by the experiment container, the heating assembly (2) deforms, and the formed cavity is enlarged and is in press fit with the experiment container; the heating assembly (2) is recovered after releasing the experiment container, and the formed cavity becomes smaller. According to the embodiment of the invention, the heating assembly forms the cavity surrounding the experimental container, so that the experimental container can be heated when the experimental container is clamped, the structure is compact, the heating assembly clamps or releases the experimental container through the deformation of the heating assembly, the heating assembly can adapt to repeated loading and disassembly, and other operations in the experimental container cannot be influenced.

Thermal control devices and methods to provide improved control, speed and efficiency in temperature cycling are provided herein. Such thermal control device and methods can include one or more active elements, such a thermoelectric cooler device, that is controlled by an algorithm that regulates a temperature distribution of an adjacent reaction-vessel according to a temperature distribution command trajectory and estimated reaction-vessel temperature distribution. Some embodiments include two active elements that are bilaterally applied to opposing sides of the reaction-vessel. In some embodiments, the estimated reaction-vessel temperature is determined based on a state of power electronics of the element and a temperature output of one or more sensors of a portion of the element and / or an ambient environment of the reaction-vessel. Methods of calibration of such systems utilizing a thermal calibrator as a proxy for the reaction-vessel are also provided herein.

A tissue sample that has been removed from a subject can be properly fixed for evaluation using the disclosed transporter assembly for carrying a tissue sample and method for fixing an unfixed tissue sample. In one embodiment, the disclosed assembly includes a transport container, a fixative in the transport container, and a cooling device that reduces and / or maintains the temperature of the fixative to perform a pre-soaking process at a temperature of less than about 7° C. The pre-soaking process can, for example, be performed during sample transport or during extended periods of storage, such as over a weekend.

This application relates to the fields of reactor thermal-hydraulic and safety technology, specifically to a heat transfer simulation experimental device under bubbling conditions on the surface of a dispersed fuel element. It includes a heated plate, an insulating base, a cover, a medium inlet, a medium outlet, and conductive components. The heated plate has a vacuum bubble-like section. The heated plate is connected to the insulating base, which contains an elastic sealing cavity filled with insulating powder. A temperature measuring hole is also provided on the insulating base. The cover has a flow groove and is connected to the insulating base. The medium inlet is connected to one end of a narrow slit channel; the medium outlet is connected to the other end of the narrow slit channel; two conductive components are respectively connected to both ends of the heated plate, and the vacuum bubble-like section is located between the two conductive components. This application can simulate the structural state, thermal boundary, and coolant flow channel geometry of a dispersed fuel element during bubbling, and can measure the flow heat transfer characteristics and vapor-liquid two-phase flow field near the vacuum bubble-like section.

Thermal control devices and methods to provide improved control, speed and efficiency in temperature cycling are provided herein. Such thermal control device and methods can include one or more active elements, such a thermoelectric cooler device, that is controlled by an algorithm that regulates a temperature distribution of an adjacent reaction-vessel according to a temperature distribution command trajectory and estimated reaction-vessel temperature distribution. Some embodiments include two active elements that are bilaterally applied to opposing sides of the reaction-vessel. In some embodiments, the estimated reaction-vessel temperature is determined based on a state of power electronics of the element and a temperature output of one or more sensors of a portion of the element and / or an ambient environment of the reaction-vessel. Methods of calibration of such systems utilizing a thermal calibrator as a proxy for the reaction-vessel are also provided herein.

A reagent cold storage unit with reduced insulation material thickness and a smaller size than conventional units, along with an automated analytical apparatus equipped with the same unit, is described. In the reagent cold storage unit of the automated analytical apparatus, vacuum insulation material is disposed around the cooling jacket (sides and / or top and bottom) of the cold storage unit. Furthermore, the ends of the vacuum insulation material are positioned offset from the top and bottom ends and side ends of the cooling jacket to maximize the distance between the ends of the vacuum insulation material and the cooling jacket (see Figure 1).

A tissue sample that has been removed from a subject can be evaluated. A transporter system for carrying a tissue sample includes a transport container, a fixative in the transport container, and a cooling device that reduces and / or maintains the temperature of the fixative to perform a pre-soaking process. A portable transporter system adapted to carry a tissue sample contacting a fixative, can include: a transport container including: a holding chamber; and a fixative; and a container lid including: a cassette holder operable to be coupled to the standard histology cassette and including a first seal; and a cassette receiver operable to be releasably coupled to said transport container and including a second seal, where the cassette holder and cassette receiver are operable to be attachably coupled to one another upon insertion of a standard histology cassette coupled to the cassette holder into the cassette receiver.

1. A heating device (10) for a bioreactor (70), characterized in that the heating device has a transparent, flexible body (20) that allows direct visualization of the bioreactor culture medium and is adapted to be removably coupled to one or more different types of bioreactor vessels (72) and to provide customized heating.

A soil body hydrothermal coupling dynamic test system capable of eliminating side wall friction resistance relates to the technical field of geotechnical engineering in cold and arid areas, and comprises an environment bin, a deformation self-adaptive tank body, a loading device, a temperature control device, a strain measurement device and a water level self-adaptive water replenishing device, the deformation self-adaption tank body comprises a first air pump, a transparent outer shell, a transparent inner shell and an elastic transparent inner container. The transparent outer shell and the transparent inner shell are connected in a sealed mode and matched to define a heat insulation cavity. The transparent inner shell and the elastic transparent inner container are connected in a sealed mode and matched to define an air storage cavity. The first air pump is communicated with the air storage cavity; the water level self-adaptive water replenishing device can replenish water to the soil body sample, and can automatically eliminate the water head gradient in the soil body frost heaving deformation process, so that the water head is prevented from increasing extra pressure water replenishing, and the test result is more accurate. Accurate testing of the hydrothermal coupling process in ultralow-temperature and large-temperature-difference extreme environments can be achieved, side wall friction resistance in the test loading process is reduced, and image acquisition in non-contact full-field strain measurement is achieved.

Thermal control devices and methods to provide improved control, speed and efficiency in temperature cycling are provided herein. Such thermal control device and methods can include one or more active elements, such a thermoelectric cooler device, that is controlled by an algorithm that regulates a temperature distribution of an adjacent reaction-vessel according to a temperature distribution command trajectory and estimated reaction-vessel temperature distribution. Some embodiments include two active elements that are bilaterally applied to opposing sides of the reaction-vessel. In some embodiments, the estimated reaction-vessel temperature is determined based on a state of power electronics of the element and a temperature output of one or more sensors of a portion of the element and / or an ambient environment of the reaction-vessel. Methods of calibration of such systems utilizing a thermal calibrator as a proxy for the reaction-vessel are also provided herein.

To provide a reagent cooler reduced in size as compared with that in the related art by reducing a thickness of a heat insulation material of the reagent cooler, and an automated analyzer including the reagent cooler. In the reagent cooler of the automated analyzer, a vacuum heat insulation material is disposed in a periphery (on a side surface, or / and upper and lower portions) of a cooling jacket of the reagent cooler. Then, an end portion of the vacuum heat insulation material is disposed at a position shifted from upper and lower end portions and a side surface end portion of the cooling jacket and a distance between the end portion of the vacuum heat insulation material and the cooling jacket is taken as much as possible.

A device for heating a sample according to the present disclosure includes: a thermal block unit accommodating a reaction vessel; a heat transfer module thermally connected to the thermal block unit; and a heat sink thermally connected to the heat transfer module, wherein the thermal block unit includes: a thermal block having a plurality of accommodating portions for accommodating the reaction vessel; and a heating plate having a plurality of holes into which the plurality of accommodating portions are inserted.

The invention relates to the technical field of heating, fusing and pipetting devices, in particular to a heating, fusing and pipetting device. The heat insulation pressing assembly is arranged at one end of the sample heating assembly, a heating cavity is formed in the end, close to the heat insulation pressing assembly, of the sample heating assembly, the output end of the heat insulation pressing assembly is matched with the shape of the heating cavity, and the heat insulation pressing assembly is in sliding connection with the heating cavity; the injection needle is arranged at one end, far away from the heat insulation pressing assembly, of the sample heating assembly; in the device, the heat insulation pressing assembly prevents heat conduction and protects safety, and the sample heating assembly ensures that a sample is uniformly heated; the device integrates heating and pipetting functions, simplifies operation, and is suitable for various experiment scenes.

A system may include a horizontal actuator to move a tray, to which a microwell plate and a microfluidic chip may be coupled. The system may include a vertical actuator to move a support arm, to which a plurality of pipettes or pipette tips may be coupled. The system may include a rotational actuator to move an angle bracket, to which a magnet may be coupled. The system may include a heater, through which the pipettes may extend. The system may include a pump to control the flow of fluids through the pipettes. Disclosed methods include performing PCR within the described system.

To provide processing of samples such as biological samples.SOLUTION: This system may include a horizontal actuator to move a tray to which a microwell plate and a microfluidic chip may be coupled. The system may include a vertical actuator to move a support arm to which a plurality of pipettes or pipette tips may be coupled. The system may include a rotational actuator to move an angle bracket to which a magnet may be coupled. The system may include a heater through which the pipettes may extend. The system may include a pump to control the flow of fluids through the pipettes. The disclosed methods include performing PCR within the described system.SELECTED DRAWING: None

The invention relates to a heat pipe rack for use with a thermally controllable stirring device. A tube rack for use with a thermally controllable stirring device is provided. The pipe rack comprises a frame comprising a top frame portion and a bottom frame portion in a stacked arrangement, each of the top frame portion and the bottom frame portion comprising a plurality of side walls defining an interior volume, and each of the top frame portion and the bottom frame portion comprising one or more members, the one or more members have an array of openings formed therein, the array of openings configured to receive and retain sample tubes therein. The tube rack also includes an insert held within the frame at a bottom end of the frame, the insert including a flat bottom surface and a top surface including a plurality of wells formed therein, the plurality of wells configured to receive a rounded bottom end of a sample tube. The frame is formed from a thermally insulating material and the insert is formed from a thermally conductive material.