58results about How to "Prevent overcooling" patented technology

The utility model discloses a thermal management system of a plug-in hybrid electric vehicle, and belongs to the technical field of plug-in hybrid electric vehicles. The system mainly comprises a motor electric control loop, a passenger compartment heating loop, a passenger compartment refrigerating loop, an engine loop and a battery loop, a warm air core body and a liquid-liquid heat exchanger which are used for heating are arranged in the passenger compartment heating loop, a cooler chiller used for refrigerating is arranged in the passenger compartment refrigerating loop, the motor electric control loop is connected with the passenger compartment heating loop in series, and the motor electric control loop is connected with the engine loop. The warm air core body is connected with the liquid-liquid heat exchanger in parallel and then is communicated with the battery loop; and the cooler chiller is communicated with a battery loop after being connected in series with the liquid-liquid heat exchanger. The motor electric control loop is connected with the passenger compartment heating loop in series, the warm air core and the liquid-liquid heat exchanger are connected into the passenger compartment heating loop and the battery loop in parallel, multi-heat-source cooperative utilization is achieved, heating stability is improved, meanwhile, a PTC or heat pump pipeline is omitted, production cost is reduced, extra energy consumption is greatly reduced, and the energy-saving and environment-friendly effects are achieved. The whole vehicle energy utilization rate is improved.

The postoperative anesthesia analgesia equipment comprises a barrel shell, a gasket is installed at the bottom end of the barrel shell, a plurality of copper strips are installed on the top face of the gasket in the barrel shell, the copper strips extend outwards at equal intervals with the center of the gasket as the circle center, and connecting strips are integrally formed and fixed to the copper strips; a semiconductor chilling plate is fixed on the copper bar in the center of the gasket through an adhesive, a top cover plate is mounted at the top of the barrel shell, a fixed frame is mounted in the middle of the top cover plate, a movable frame sliding along the fixed frame is inserted in the fixed frame, one end of the movable frame abuts against the copper bar, and a fan is mounted in the movable frame. The semiconductor chilling plate is used as a cold and heat source, heat supply or cold supply can be conducted only by supplying power and switching the current supply direction, repeated use can be achieved, meanwhile, the fan is arranged for the semiconductor chilling plate, cold energy or heat energy of the non-use end can be actively blown out, and the service life of the semiconductor chilling plate is prolonged. And heat or cold output and used by the semiconductor chilling plate is conducted through the copper bar, so that a larger range can be covered.

This utility model discloses a constant temperature treatment device for dyeing and finishing auxiliaries, including a treatment box. A support frame and control equipment are fixedly installed on the treatment box. The treatment box has an inlet and an outlet. A stirring shaft is rotatably mounted on the treatment box, and a drive motor is fixedly mounted on the treatment box. The drive motor is connected to the stirring shaft via a rotating mechanism. A stirring rod is mounted on the stirring shaft through a rotating port, and a reinforcing rod is fixedly mounted on the stirring rod. A connecting channel is shared between the stirring shaft and the stirring rod, and a connecting line extending into the connecting channel is rotatably passed through the stirring shaft. In this utility model, the unique structural design of the stirring shaft, stirring rod, and reinforcing rod achieves multi-angle and multi-dimensional stirring effects, improving the uniformity and efficiency of stirring, ensuring that the dyeing and finishing auxiliaries are fully mixed during the treatment process, and effectively improving the effect of subsequent dyeing and finishing processes.

This utility model belongs to the field of handheld fan technology and discloses an intelligent handheld fan that can automatically adjust the wind speed according to the ambient temperature. The fan includes a fan handle, a base, and a housing. The housing is fixed to the upper side of the fan handle, and the base is detachably installed on the lower side of the fan handle. The fan handle contains components such as a temperature sensor and a touch sensor. Through the cooperation of the touch sensor and a latching assembly, the fan automatically turns on when picked up and immediately turns off when released. When the fan is placed on a table, it can be turned off simply by tapping it, avoiding frequent button operations and significantly simplifying the fan start-up and shutdown process. Furthermore, the temperature sensor detects the ambient temperature and automatically adjusts the fan speed, enabling the fan to intelligently change its wind output according to the usage environment, achieving a more convenient and efficient wind control method.

The application belongs to the technical field of data center energy saving and heat management, and discloses a data center cooling system control method and application. The method comprises the following steps: collecting the running state data of the data center cooling system, using a pre-trained heat prediction model to predict the temperature evolution prediction data of the data center cooling system at the next time step; taking the minimum cooling power consumption and the maximum cabinet cooling index as the optimization target, and using the temperature evolution prediction data at the next time step to perform multi-objective optimization solution under the preset control parameter constraint condition to obtain the optimal fan speed and flow at the next time step; and using the obtained optimal fan speed and flow at the next time step to control the data center cooling system, so as to realize the control of the cooling system. Through the application, the problems of insufficient prediction accuracy, inaccurate energy consumption evaluation and inability to consider energy efficiency and thermal reliability in the existing data center cooling system control strategy are solved.

The battery cooling system comprises a plurality of liquid cooling plates, a connecting pipe fitting and a flow adjusting mechanism, the plurality of liquid cooling plates are sequentially arranged at intervals in the width direction of the liquid cooling plates, and heat exchange media flow in the liquid cooling plates; the plurality of connecting pipe fittings are respectively arranged between two adjacent liquid cooling plates and are used for respectively communicating the corresponding liquid inlet ends and the corresponding liquid outlet ends of the two adjacent liquid cooling plates; the flow adjusting mechanism is arranged among the plurality of liquid cooling plates, the flow adjusting mechanism is provided with a plurality of telescopic parts capable of linearly moving, the plurality of telescopic parts are arranged on the liquid cooling plates, and one end of each telescopic part penetrates through and extends into the liquid inlet end of the corresponding liquid cooling plate and is used for adjusting the flow of a heat exchange medium in the corresponding liquid cooling plate; the flow of each liquid cooling plate is independently adjusted through the flow adjusting mechanism, regional management is realized, the temperature field distribution of the whole battery system is effectively controlled, the local overheating or supercooling phenomenon is avoided, and the overall stability and safety of the battery system are improved.

The application belongs to the field of batteries, and particularly relates to a battery pack and a heat transfer pipe. The application overcomes the problem of local high heat of a single battery pole in an existing battery pack, which causes thermal runaway. The battery pack comprises a plurality of battery components; the battery components comprise a battery module and two heat transfer pipes; the battery module comprises a plurality of single batteries; the two heat transfer pipes are arranged on total positive terminals and total negative terminals of the battery module respectively; each heat transfer pipe is provided with two mutually isolated sub-channels; in the plurality of battery components, the heat transfer pipes are connected in series in a set order; after cooling liquid enters a total liquid inlet end, the cooling liquid flows through one sub-channel in each heat transfer pipe in turn, and then flows through the other sub-channel in each heat transfer pipe in turn through a loop turning node, and finally flows out from a total liquid outlet end. The application directly contacts the heat transfer pipe with the polarity terminals of the single batteries, and simultaneously realizes efficient and balanced heat dissipation of the polarity terminals based on the series connection structure of the heat transfer pipes.

The utility model relates to the technical field of chemical equipment, in particular to a chemical crystallization regulation and control device which comprises a barrel and a temperature control assembly, an installation groove is formed in the barrel, the inner wall of the installation groove is fixedly connected with the temperature control assembly, and the temperature control assembly comprises a heating pipe fixedly connected to the inner wall of the installation groove. An electric heating wire is fixedly connected to the interior of the heating pipe, a condensation pipe is fixedly connected to the inner wall of the mounting groove, an insertion groove is formed in the surface of the barrel, the surface of the water inlet end of the condensation pipe is connected with the inner wall of the insertion groove in an inserted mode, a threaded groove is formed in the water inlet end of the condensation pipe, and a sealing cover is in threaded connection to the surface of the threaded groove; and the inner wall of the cylinder body is fixedly connected with a temperature detection sensor. According to the utility model, the temperature control assembly is arranged, so that the temperature of materials in the barrel body can be increased and decreased, the influence of temperature fluctuation on crystal growth is effectively reduced, and the quality of a crystallized product is remarkably improved.

The application discloses a bacteriostatic sunscreen self-dehumidifying mask, and relates to the technical field of masks.The bacteriostatic sunscreen self-dehumidifying mask is characterized by a three-layer gradient structure of a hydrophobic layer, a hydrophilic layer and a photothermal layer, synergistic effect of the three layers, efficient directional migration of water under a one-way moisture guiding mechanism, rapid evaporation and self-dehumidification realized in combination with the light-heat conversion characteristics of the photothermal layer, significant reduction of moisture accumulation in the mask, avoidance of facial moisture and bacterial breeding risks during wearing, and improvement of overall comfort and hygiene level.The air vent is located at the lower side to guide the directional circulation of air flow, reduce facial discomfort, and the user can fix the mask through a detachable plastic frame, replace the composite moisture-absorbing gel module conveniently, and ensure long-term and efficient protection.

The invention discloses a self-adaptive thermal management control method and system for a power battery and electronic equipment, and relates to the field of battery thermal management, and the method comprises the steps: obtaining a thermal management control parameter of the power battery; obtaining current temperature data and current data of the power battery, wherein the temperature data comprises the highest temperature, the lowest temperature and the average temperature; initiating or canceling a thermal management mode control request based on the temperature data and a preset temperature judgment rule; estimating the residual duration of the battery continuously working to the preset SOC state; judging whether the highest temperature and the lowest temperature of the battery are in the optimal working temperature interval or not after the residual duration based on a current thermal management strategy; if yes, keeping the current thermal management strategy, and returning to the step A2; if not, calculating the average current in the preset historical time; and based on a comparison result of the average current and the current threshold group, adjusting a thermal management mode and a thermal management target water temperature, and returning to the step A2 according to an adjustment result.

The utility model discloses a kind of cosmetic plastic bottle injection blow molding production equipment, it is related to plastic bottle technical field.The utility model includes heating bucket, is provided with stirring mechanism and heating mechanism on the heating bucket, the stirring mechanism includes the shaft one rotationally connected in the middle shaft of heating bucket, the bottom of the shaft one is fixedly connected with fixed box, the bottom inner wall of the heating bucket is fixedly connected with the shaft two, the outer wall of the shaft two is fixedly connected with bevel gear one.The utility model is stirred by being provided with stirring mechanism, the fixed movement track of stirring paddle of traditional device, there are more stirring dead angle, it is difficult to realize material fully mixing, and it is difficult to effectively take material and heating element fully contact, not only lengthen heating time, it can also be due to material unevenly heated, when subsequent injection blow molding, uneven wall thickness, bubble, deformation and other quality problems appear, increase scrap rate, it is difficult to meet the production demand of extremely high product quality requirement of cosmetic plastic bottle etc.

This utility model belongs to the field of dairy processing technology, specifically a dairy product cooling device, including a support base on which a tank is mounted. An annular cooling chamber is provided inside the tank. A hollow rotating shaft is rotatably mounted inside the tank, and multiple hollow stirring tubes are connected to the hollow rotating shaft. Supports are rotatably mounted at both the top and bottom of the hollow rotating shaft, and four rotating rods are rotatably mounted on the two supports. When cooling dairy products, this utility model not only externally cools the dairy products inside the tank through the annular cooling chamber, but also directly acts on the interior of the dairy products through the hollow rotating shaft and hollow stirring tubes. This combined internal and external cooling method can quickly reduce the temperature of the dairy products. Compared with single external wrapping cooling, the cooling effect and efficiency are higher, while ensuring that all parts of the dairy products are fully cooled, avoiding product quality problems caused by uneven cooling.

The invention provides a water cooling device for a thermal power plant. The water cooling device comprises a cooling tank, a supporting frame, a steam pipeline and a discharging pipeline. A cooling pipe group is arranged in the cooling tank; the upper end of the steam pipeline extends to the inner side of the cooling tank; a spraying assembly is arranged at the top in the tank, and a bubble breaking plate is arranged at the lower part. The cooling pipe set comprises a gas guide cylinder and heat exchange pieces arranged on the outer side of the gas guide cylinder in an annular array mode, and one side of each heat exchange piece extends into the steam pipeline. And the spraying assembly comprises a conveying main pipe with a plurality of groups of symmetrical shunting branch pipes and spraying nozzles. Through the synergistic effect of the heat exchange pieces extending into the steam pipeline, the gas guide curved surface at the top of the gas guide cylinder, the uniform spraying system and the bubble breaking plate, the heat exchange area is remarkably increased, steam distribution is optimized, bubbles are effectively broken, and therefore the technical problems that a traditional device is low in cooling efficiency, heat transfer is affected by bubble gathering, and cooling is uneven are solved; and efficient, stable and uniform steam cooling is realized.

The utility model relates to the technical field of injection molding raw material processing, and discloses a heating mechanism for PET plastic bottle blank injection molding, which comprises a mixing barrel, the top of the rear side of the mixing barrel is fixedly connected with a motor, the output end of the motor is fixedly connected with a driving shaft, and the top of the outer wall of the driving shaft is fixedly connected with a first circular gear. The outer wall of the first circular gear is connected with a chain in a meshed mode, the other side of the chain is connected with a second circular gear in a meshed mode, the middle of the second circular gear is fixedly connected with a rotating shaft, and the bottom of the rotating shaft is fixedly connected with a rotating plate. According to the plastic raw material mixing device, the motor is started to output power to drive the driving shaft, the first circular gear, the driving chain, the second circular gear, the rotating shaft, the rotating plate, the rotating vertical rod and the mixing strips to rotate, so that plastic raw materials in the mixing barrel are stirred and mixed, the raw materials are uniformly heated in the heating cavity, and the phenomenon that local overheating or supercooling affects use is avoided.

The utility model provides a gift box L-shaped sealing and cutting machine structure capable of improving heat shrinkage uniformity, and belongs to the technical field of sealing and cutting machines, the gift box L-shaped sealing and cutting machine structure capable of improving heat shrinkage uniformity comprises a sealing and cutting base, a pressing cover frame, an adjusting baffle assembly, a heating wire assembly and a cutter assembly, the press-fit cover frame is located over the sealing and cutting base, the sealing and cutting base and the press-fit cover frame are correspondingly arranged in the vertical direction, the short edge of one side of the press-fit cover frame is connected with the corresponding short edge of the sealing and cutting base through a hinge structure, and a rotating shaft of the hinge structure is parallel to the straight line where the short edge of the sealing and cutting base is located. The adjusting baffle assembly is installed in the sealing and cutting base, the heating wire assembly is arranged around the adjusting baffle assembly, the cutter assembly is installed at the corresponding position of the sealing and cutting base and the pressing cover frame, and the problems that heating elements in a traditional sealing and cutting machine are unreasonable in layout and uneven in stress are solved.

The present application relates to transformer heat dissipation technical field, specifically to a kind of oil-immersed transformer with self-circulation heat dissipation structure, the side of transformer shell is fixedly connected with cabinet, the inside of cabinet is installed with circulating assembly, circulating assembly includes motor fixedly connected with the inner wall of cabinet, the output end of motor is fixedly connected with crank, the end of crank away from motor is rotatably connected with first sliding block;Through the reciprocating plunger pump structure of piston rod and sleeve being set, cooperate with the one-way valve in first pipeline and second pipeline, intermittent pulse flow is formed to oil liquid, pulse flow constantly destroys stable thermal boundary layer when flowing through winding oil channel, so that boundary layer cannot thicken, thereby substantially improve convective heat transfer coefficient, under the same average flow, the heat exchange efficiency of pulse jet is improved compared with traditional continuous flow, solve the problem that stable thermal boundary layer is formed in prior art by continuous oil flow, leading to low heat exchange efficiency.

The application discloses a temperature control jig, which comprises a top plate, an intermediate layer and a bottom plate arranged in layers, wherein the top plate and the bottom plate are flat plate structures, a frame is arranged along the edge of the top plate, one side surface of the frame protrudes from the surface of the top plate, the top plate and the frame form a containing space for containing a display panel to be tested, a plurality of heat conduction columns are arranged on the side surface of the bottom plate away from the intermediate layer, and the intermediate layer is provided with a plurality of arrayed through holes, so that the cross section of the intermediate layer is a grid structure. The grid design of the intermediate layer of the temperature control jig greatly reduces the overall mass and heat capacity of the jig, so that heat can be more quickly conducted to the top plate through the bottom plate heat conduction columns, and the temperature rising and falling waiting time is shortened. Moreover, when the grid structure is heated and expanded, the through holes provide internal deformation space, effectively avoiding macro warping of the jig as a whole, and ensuring flat and close fitting of the panel and the jig during the test.

The embodiment of the utility model provides a multi-branch heating tube in a symmetrical shape, and belongs to the technical field of electric heating. The multi-branch heating tube with the symmetrical shape comprises a heating tube which comprises a plurality of branches, and the branches radiate outwards from the geometric center of the shape of the heating tube and are connected with one another through connecting parts; a heating element is arranged in the heating pipe and is distributed along the shape of each branch; the heating element is a heating wire, and the heating element is embedded and fixed in the inner cavity of the heating tube. According to the scheme, through the design of the multi-branch symmetrical shape, heat distribution is optimized, the heating effect is improved, and the structural stability and the material use efficiency of the heating pipe are improved.

The utility model provides a kind of engine cooling system, including engine, air inlet cover, air duct and heat exchanger, air duct is arranged between air inlet cover and heat exchanger, air duct is respectively communicated with the cold air inlet end of air inlet cover and heat exchanger, one end of engine is provided with fan, fan is set in air duct, the heat dissipation port of engine is communicated with the heat exchange air inlet of heat exchanger, at least one air guide channel and at least two first sound attenuation components are provided in air duct, first sound attenuation component is provided on the both sides of air guide channel, first sound attenuation component includes first air deflector and first sound attenuation cotton, first cavity is provided in first air deflector, a plurality of first perforations are set on the surface of first air deflector, first perforation is communicated with first cavity, and first sound attenuation cotton is set in first cavity;The utility model has the advantages of simple structure, high cooling efficiency and low noise.

The utility model relates to a spiral diversion structure heat exchanger and belongs to the technical field of heat exchangers. A shell pass flow channel is formed in the shell pass cylinder and used for heat exchange between fluid and a tube pass; the pipe spacer is arranged in the shell pass cylinder; the connecting pipe is arranged at the top of one end of the shell pass cylinder and is communicated with the shell pass cylinder; each flow guide unit is composed of a supporting pipe and a spiral flow deflector, the spiral flow deflectors are fixed to the surfaces of the supporting pipes in an outward-downward inclined mode, and the flow guide units are arranged in the connecting pipes; one end of the connecting plate is connected with the supporting pipe, and the other end of the connecting plate is connected with the inner wall of the connecting pipe; and the bottom plate is used for connecting the flow guide unit with the pipe spacer. The utility model solves the problem of local retention of high-viscosity fluid at the inlet due to viscous force accumulation, improves the heat transfer efficiency, and improves the stability of equipment.

A kind of secondary cooling water dynamic spraying control method of casting billet continuous casting process, for the section with free width cutting nozzle in secondary cooling control area, the calculation of periodic real-time dynamic spraying width in each section is established, and the control of corresponding dynamic spraying height of cooling nozzle in each section is formed according to the calculation.The secondary cooling water dynamic spraying control method of casting billet continuous casting process of the present application is based on real-time billet temperature tracking, and the calculation of real-time spraying width in each section is established for each secondary cooling section with free width cutting nozzle, and the dynamic adjustment of spraying height of cooling nozzle in corresponding section is realized based on this, to effectively avoid the purpose of overcooling of casting billet corner, thereby improving the uniformity of casting billet surface temperature.

A vehicle powertrain thermal management control method based on improved chaotic particle swarm optimization includes: establishing an electrothermal coupling model of the electric vehicle powertrain; constructing a system-level energy optimization objective function; establishing thermal safety constraints and control variable constraints; establishing a control sequence discretization model, dividing the given driving condition into multiple control intervals, and forming a powertrain thermal management control sequence from the control variables of each control interval; constructing an improved chaotic particle swarm optimization algorithm; constructing a powertrain thermal management control trajectory optimization problem; solving the problem using the improved chaotic particle swarm optimization algorithm model to obtain each control trajectory; converting the trajectory into corresponding instructions; and finally sending the instructions to the corresponding actuators. This invention addresses the problems of existing technologies that only focus on component temperature amplitude while neglecting the modeling of the mechanism by which temperature affects conversion efficiency, and the difficulty in simultaneously quantifying the trade-off between cooling accessory energy consumption and thermally induced losses at the system energy level.

The utility model discloses a sectional type return tank, which belongs to the field of petroleum and comprises a return tank, the upper surface of the return tank is fixedly connected with a spraying mechanism, one side of the outer surface of the return tank is fixedly connected with a heat recovery mechanism through a support plate, and the middle of the bottom of the return tank is fixedly connected with an air blower. The heat recovery mechanism comprises a heat exchanger, the outer surface of the heat exchanger is fixedly connected to the inner side wall of the support plate, and the upper surface of the heat exchanger is fixedly connected with a conveying end pipe. Through the cooperative use of the devices and the arrangement of the heat recovery mechanism, a large amount of waste heat can be generated in the reflux tank during petroleum processing, in order to improve the resource utilization rate, the heat recovery mechanism is used for recovering the waste heat, the production process is energy-saving and efficient by recovering the waste heat and optimizing the heat energy utilization efficiency, and the production cost is reduced by reasonably recovering and adjusting the heat energy. And the temperature in the reflux tank is kept stable, so that the consistency of process conditions is ensured, and the consistency and quality of products are improved.

This utility model discloses a high-efficiency and environmentally friendly condenser, belonging to the field of condenser technology. It includes: a shell; two sets of tube sheets are fixedly installed inside the shell; heat exchange tubes are snapped into the two sets of tube sheets; one end of the heat exchange tubes has a feed inlet, and the other end has a discharge outlet; a ventilation grille is fixedly installed on one side of the shell; a filter plate is snapped into the other side of the shell; a rotating shaft is rotatably installed inside the shell; two sets of bevel gears are fixedly installed on the outer side of the rotating shaft; and a support plate is fixedly installed inside the shell. Stable and rapid airflow ensures uniform heat exchange, avoiding localized overheating or overcooling. This helps extend the service life of key components such as heat exchange tubes, reduces equipment failures and maintenance frequency caused by uneven temperature, improves the overall operational stability of the condenser, ensures continuous production, and the efficient cooling process means the equipment can complete tasks in a shorter time, reducing energy consumption.

The invention discloses a thermal management method, system and device of a space data center and a storage medium, and relates to the technical field of aerospace thermal control, and the method comprises the steps: obtaining the core temperature of each server and the structure temperature of a whole satellite; determining a temperature equalization coefficient according to the server core temperature and the whole satellite structure temperature; according to the temperature equilibrium coefficient and the whole-satellite structure temperature, whole-satellite heat preservation heat and heat dissipation heat are distributed; the whole-satellite heat preservation heat is guided to a whole-satellite temperature compensation channel, so that the whole-satellite working temperature is maintained through the whole-satellite heat preservation heat; and the heat dissipation heat is guided to the heat dissipation and energy recovery channel, so that the heat dissipation heat is dissipated through the heat dissipation plate, and the residual heat dissipation heat which is not subjected to heat dissipation is radiated in a laser form through the laser terminal. According to the method, GW-level waste heat efficient heat dissipation, whole-satellite temperature dynamic balance and waste heat recycling of the 100GW space data center can be achieved, and long-term stable and reliable operation of the space data center is guaranteed.

The application provides a battery management system and a multi-battery-pack cooperative control method thereof, single-battery-pack comprehensive data is obtained by separately collecting voltage and current data, temperature data and health state data of each battery pack, so that the collection and management of the battery pack data are realized, and a data basis is provided for the management and operation among the battery packs; based on the charging and discharging demand and the single-battery-pack comprehensive data, a globally optimal charging and discharging power distribution ratio is determined, the problem of unbalanced charging and discharging is solved, the charging efficiency and the available capacity of the battery are improved; based on the temperature data and the position distribution of all the battery packs, a joint thermal management strategy of adjacent battery packs is determined; by establishing the joint thermal management strategy, local overheating or overcooling is avoided, the battery attenuation is delayed, and the battery life is prolonged.

The utility model discloses an integrated battery cooling device which solves the problems that in the prior art, matched cooling of a whole vehicle system cannot be carried out on a battery according to the temperature of the battery; according to the technical scheme, the integrated battery cooling device comprises a shell, an electronic water pump is fixedly connected to a bottom plate of the shell, the water inlet end of the electronic water pump is connected with a water inlet pipe through a first forming rubber pipe, the water inlet pipe is fixedly connected to the shell, and the water outlet end of the electronic water pump is connected with a plate heat exchanger through a second forming rubber pipe. The plate heat exchanger is fixedly connected to a bottom plate of the shell, and a controller is fixedly connected to the side wall of the shell.

The utility model relates to bearing steel pipe heating technical field, and disclose a kind of bearing steel pipe heating furnace, including heating furnace, heating element, first open furnace door hinged to the top end of heating furnace when heating, put material piece into furnace, the stress strip of connecting ring front end is inserted into steel pipe inside, rotate screw fixed rod terminal swivel, make screw fixed rod advance inwards using screw transmission, its front end moving end head pushes stress strip to overcome compression spring elasticity and expand outward, from inside hold steel pipe, prevent displacement, pass through control panel and start heating element installed on mounting block, realize stable even heating, and can real-time adjust parameter, simultaneously, rotate the handle of rotary cylinder, drive steel pipe rotation, make each part heat more evenly, after heating is completed, reverse rotation swivel and release hold, close heating element, take out material piece, and this heating furnace significantly improves heating quality and efficiency.

The invention relates to the technical field of heart transplantation and organ preservation, and discloses a donor heart myocardial protection system and method. The system comprises a heart containing unit used for containing a donor heart and a heart preservation solution and enabling the donor heart to suspend in the heart preservation solution; the heat buffering and isolating unit is used for accommodating the heart accommodating unit, a low-temperature buffering medium is arranged in the heat buffering and isolating unit, and the heart accommodating unit is separated from the inner wall of the heat buffering and isolating unit through the low-temperature buffering medium; and the external low-temperature unit is used for accommodating the thermal buffer isolation unit and providing an external low-temperature environment. Through suspension and thermal buffer mechanisms, the space temperature gradient between different parts of the donor heart is effectively reduced, and local supercooling or freezing is avoided. The method is simple, does not depend on complex equipment, and is easy to popularize and apply in the existing clinical cold preservation process.