478 results about "Heating cooling" patented technology

The invention relates to the technical field of metal forge piece machining, in particular to an irregular metal forge piece heat treatment method and system.The irregular metal forge piece heat treatment method comprises the steps that firstly, temperature compensation partitions are divided according to geometrical characteristics, and stepped preheating is implemented to establish a uniform basic temperature field; then, the heat preservation time of each subarea is independently regulated and controlled in the austenitizing stage, and sufficient transformation of a thick-wall area structure and control over the grain size of a thin-wall area are both considered; in the quenching process, partition strength adjustment is carried out based on a preset cooling map, and cooling parameters are dynamically optimized through real-time feedback; and finally, according to the residual stress distribution, carrying out partition stepped tempering. The heating and cooling uniformity is remarkably improved through partition dynamic temperature management, and the structure difference and thermal stress concentration caused by section sudden change are effectively inhibited; the microstructure is ensured to be uniform and stable through austenitizing control; the hardenability and the deformation resistance are balanced through a differential cooling strategy; and directional reduction of residual stress is achieved through an intelligent tempering mechanism, and the cracking risk is greatly reduced while the comprehensive mechanical property is improved.

The invention discloses a temperature control system and method for a hot runner of an injection molding machine mold, and the method comprises the steps that the temperature control system collects the temperature data of each region of the hot runner in real time through a temperature sensor, and carries out the adjustment according to the data feedback; a built-in self-adaptive algorithm automatically adjusts a temperature control strategy according to different injection molding materials and production requirements, such as temperature upper limit, temperature lower limit and heating and cooling opportunities, and the production efficiency is optimized; when the system recognizes temperature fluctuation, a heating mode or a cooling mode is automatically switched, and the cooling system is dynamically adjusted for temperature balance; a plurality of temperature sensors are arranged in a key area of the mold for regional monitoring, and temperature control output is adjusted in real time; meanwhile, an embedded learning algorithm gradually optimizes a temperature control strategy according to historical production data, adjusts control parameters, and improves the production precision and efficiency. According to the temperature control system and the temperature control method for the mold hot runner of the injection molding machine, the problems of low temperature control precision, poor energy efficiency and slow response in the prior art are solved, and efficient and intelligent temperature control capability is provided.

The invention relates to the technical field of injection molding, and discloses a plastic part injection mold regulation and control system and method based on a complex curved surface and a thin-wall structure, and the plastic part injection mold regulation and control system based on the complex curved surface and the thin-wall structure comprises a mold modeling module, a temperature modeling module, a control modeling module, a control optimization module and a control execution module; the plastic part injection mold regulation and control method based on the complex curved surface and the thin-wall structure comprises the steps that a mold three-dimensional model and thermal control area mapping are built, a heat conduction model is built, modal dimensionality reduction is conducted, a target temperature field and a performance function are combined, optimal temperature regulation and control are achieved through a predictive control algorithm, real-time feedback is matched, and a heating and cooling unit is driven. And dynamic closed-loop control of the mold thermal field is realized. According to the method, thermal control precision and energy consumption efficiency are optimized through Galerkin modal dimension reduction, model predictive control and a weighted performance function, global closed-loop temperature control is achieved by combining mapping of a three-dimensional area and a heating and cooling unit of the mold, and system safety and stability are enhanced.

The utility model relates to the technical field of power batteries, and discloses a heating and cooling system integrated structure and a battery thermal management system, the heating and cooling system integrated structure comprises a refrigeration base material, a first insulating film, a heating core body and a second insulating film, the first insulating film is attached to the refrigeration base material, the heating core body is attached to the first insulating film, and the second insulating film covers the heating core body. As only one layer of insulating film is arranged between the heating core body and the refrigeration base material, compared with the prior art, the heat transfer medium between the heating core body and the refrigeration base material is less, and the heat transfer efficiency is high.

The invention relates to a heating and cooling system for wafer bonding equipment, which comprises a basic unit, a heating unit and a cooling unit, and is characterized in that the basic unit comprises an upper disc, a heating bin and a lower disc, and the heating bin is used for accommodating a wafer to be bonded and providing a vacuum environment for the wafer; the upper disc and the lower disc can be driven to be close to each other so as to apply set pressure to the wafer; an upper heater and a lower heater of the heating unit are used for heating the wafer in the axial direction, and an edge heater is used for carrying out heat compensation in the radial direction; an upper cooler and a lower cooler of the cooling unit are used for indirectly cooling the wafer; the wafer bonding device effectively improves heating uniformity and cooling efficiency in the wafer bonding process, can provide an accurate and effective vacuum environment for wafer bonding, and is simple in structure and easier to maintain and repair.

The invention discloses a heat treatment device for crusher parts and a using method thereof, and relates to the technical field of heat treatment. To solve efficiency problems; the device specifically comprises a base; a stand column is fixed to the outer wall of the top of the center of the base through bolts, a rotating ring is rotationally connected to the outer wall of the stand column, and three supporting arms in an equal-angle circular array are arranged on the outer wall of the rotating ring. A clamping mechanism used for clamping and fixing a shaft is arranged at the end of the supporting arm, a high-frequency heating mechanism and a cooling mechanism are arranged on the top of the base, and the high-frequency heating mechanism is fixed to the base through a support. By arranging the rotatable supporting arm and cooperating with the high-frequency heating mechanism and the cooling mechanism, the whole device has three stations of feeding and discharging, high-frequency heating and spray cooling, and the three stations are circularly arranged, so that feeding and discharging, heating and cooling can be synchronously and crossly carried out, and the heat treatment efficiency is improved.

The invention discloses a cutting device for wing plate machining and a cutting method of the cutting device, and belongs to the field of steel laser cutting. The cutting device comprises a machine table and a laser cutting unit connected to the machine table; the driving displacement unit comprises a workpiece table fixedly connected to the upper end of the machine table, a first single-axis moving module connected to the workpiece table, a YZ axial moving module fixedly connected to the outer surface of the first single-axis moving module and an XY axial moving module connected to the upper end of the workpiece table. By means of the induction heating part, preheating and temperature-controlled slow cooling are carried out on a wing plate, a web plate and a right angle of the high-strength H-shaped steel, thermal stress concentration caused by local rapid heating / cooling is reduced, microcracks caused by stress superposition are avoided, the microstructure of the laser cutting edge is more uniform, the crack sensitivity is reduced, and the quality of the H-shaped steel is improved. And residual stress accumulated in the cutting process is released, and delayed cracks caused by stress residues in later use are avoided.

The invention relates to the technical field of power equipment, in particular to an intelligent thermal management system for a cleaning robot, which comprises a state sensing unit, a risk assessment unit, a thermal state calculation unit, a data decision unit, an execution unit and a feedback correction unit, and is characterized in that the state sensing unit is used for acquiring internal temperature and humidity and key component temperature; the risk assessment unit calculates the characterization values of the dew formation trend and the overheating trend; the thermal state calculation unit quantifies the overall thermal state of the system; the data decision-making unit determines the actual adjustment amount of the heating and cooling power according to the parameters; the execution unit comprises a heating module, a cooling module and a load management module and correspondingly adjusts output power. And the feedback correction unit corrects the thermal state according to the operation deviation. According to the invention, through multi-parameter fusion decision and dynamic power adjustment, collaborative management of heat dissipation and condensation prevention is realized, and the working reliability of the cleaning robot in a severe environment is improved.

The utility model discloses high-temperature and high-pressure torsion equipment which comprises a stamping mechanism, a pressurizing mechanism, a torsion mechanism, a heating mechanism, a cooling mechanism, a control mechanism, an auxiliary mechanism and a frame mechanism. The stamping mechanism comprises a first stamping assembly, a second stamping assembly and a demolding assembly. The pressure applying end of the first stamping assembly and the pressure applying end of the second stamping assembly are suitable for being inserted into the two ends of the demolding assembly correspondingly and matched with an inner cavity of the demolding assembly so as to form a cavity used for containing a workpiece. The pressurizing mechanism is suitable for driving the first stamping assembly to pressurize the workpiece; the twisting mechanism is suitable for driving the second stamping assembly to twist the workpiece; the heating mechanism is suitable for heating the workpiece; the cooling mechanism is suitable for cooling the pressurizing mechanism and the torsion mechanism. The cooling mechanism is arranged, so that the equipment still runs reliably at high temperature, and the service life of the equipment is prolonged; when the workpiece is adhered to the interior of the cavity, the auxiliary mechanism is arranged to assist in splitting part of the structure of the stamping mechanism.

The invention provides an injection mold temperature field regulation and control method and device based on multi-sensor fusion, and the method comprises the steps: recognizing a non-uniform region based on a surface radiation temperature distribution image, discrete point temperature data, an instantaneous heat flow direction and heat flow intensity information; based on each non-uniformity area and the heating and cooling unit adjacent to the non-uniformity area, constructing a space mapping relation, and based on the space mapping relation, the instantaneous heat flow direction and the heat flow intensity information, generating a heat flow path guide instruction; triggering a corresponding heating and cooling unit to execute alternate heating and cooling operation according to a preset phase difference based on the heat flow path guide instruction, so that the heat flow directionally migrates in the non-uniform region along a specified path; and monitoring that the temperature gradient change trend of each non-uniform area tends to be uniform based on a dynamic heat balance state formed by the heat flow after directional migration in the mold, and entering a steady-state maintenance mode. According to the invention, high-precision sensing and dynamic cooperative regulation and control of the global temperature field of the injection mold are realized.

In some implementations, a thermal management system includes a heat source and a heat pipe connected to the heat source and configured to transfer thermal energy from the heat source to a plurality of condensers, each of the plurality of condensers branching off from a main pipe of the heat pipe. The heat pipe can be a variable conductance heat pipe containing a working fluid vapor. Each condenser contains a reservoir of non-condensable gas (NCG). At least one of the condensers can be controlled by heating / cooling the respective reservoir of NCG, by reservoir volume changing via bellows, and / or by NCG amount changing via NCG insertion / extraction.

The invention provides a new energy automobile heat pump system which comprises a master controller, a refrigerant loop and a cooling liquid loop, an air side condenser is omitted, and a passenger compartment built-in condenser and a water cooling condenser are connected in series to release heat. A hot gas bypass branch controlled by a first electronic expansion valve is additionally arranged between a compressor and a built-in condenser, and a first water pump and a second water pump are matched with two five-way valves to independently switch a main cycle, a battery branch and an electric drive branch, so that three branches are formed on the refrigerant side, and three closed loops are formed on the cooling liquid side; the combination can rapidly derive not less than ten operation modes, covers the whole-year working conditions such as refrigerating and heating, dehumidifying and deicing, waste heat recovery, independent heating / cooling of a battery and electrically-driven heat dissipation of a passenger compartment, meanwhile, the number of valve pumps and connectors is reduced, pipelines are shortened, the modularization degree is high, the low-temperature energy efficiency and the whole vehicle integration are remarkably improved, and the cost and the leakage risk are reduced.

This present invention relates to a single body air treatment system for recreational vehicles and is a combination of components working in a scheme so to provide heating, cooling, dehumidification, ventilation, air-purification, heavy-duty drying, into a single body. The system comprising of a cooling air plant having a refrigerating cycle (105,107,108,109) and air heat exchangers acting with electricity and a heating plant having an incorporated fuel / Natural-Gas burner (118,119) acting as air furnace. The system operates heating and cooling simultaneously with in the same air-flow and provides air purification through an antibacterial electrical device. The system also integrates extra pipes to produce extra hot-water in winter while the system operates in heating. The system is integrated with a dedicated resonator chamber to minimize the external noise produce by extraction blowers.

A coolant system for a vehicle, according to the present disclosure, implements various operation modes by using a plurality of coolant lines and a pair of 8-way direction switching valves, thereby simultaneously performing cooling / waste heat recovery of electronic components and batteries and cooling / heating of an indoor air conditioning side of a vehicle.

The invention relates to the technical field of earphone production, in particular to a heating and cooling integrated device for earphone parts, which comprises a storage mechanism and a heating and cooling integrated mechanism, the storage mechanism comprises an equipment shell and a drawer part in sliding fit with the inner wall of the equipment shell, and the drawer part is composed of a drawer frame, a drawer cover and a heating and cooling integrated mechanism. And the drawer panel is fixedly arranged on the front surface of the drawer frame. According to the heating and cooling integrated device for the earphone parts, the storage mechanism is arranged, a PCB needing to be heated and welded is placed on the heat conduction plate, then the top fixing part is rotated, the edge of the PCB is limited through the PCB fixing plate, and then the PCB is heated and welded through the heat conduction plate on the bottom heating part; according to the PCB welding device, a drawer type structure is adopted, a plurality of PCBs can be heated and cooled at a time, a heating and cooling integrated mechanism is reasonably arranged in a drawer frame, and the occupied space of the device is reduced.

The invention discloses a high and low temperature test chamber circulation risk control system and a test method. The device comprises a heating cavity, a cooling cavity and a heating / cooling test area, a heater / cooling side fan and a heating / cooling side fan are arranged in the heating / cooling cavity, a heating / cooling placing area is arranged in the heating / cooling test area, and a side heating / cooling flow channel is formed between the heating / cooling placing area and each of the left and right side walls of the heating / cooling placing area. A heating air flow channel is arranged between the heating cavity and the heating test area, and the heating cavity is also communicated with the two side heating flow channels respectively; a cooling airflow channel is arranged between the cooling cavity and the cooling test area, and the cooling cavity is further communicated with the two side cooling flow channels. The temperature control box has the advantages that the uniformity of air flow is fully considered, a medium for heating and cooling circulates, diffuses and distributes uniformly in the temperature control box, the problem that the air speed in a local area is too fast or too slow to form a temperature gradient is effectively avoided, and the aging test effect and accuracy are greatly improved.

A coolant system for a vehicle according to the present invention implements various operation modes by using a plurality of coolant lines and a pair of 8-way direction switching valves, and can thus simultaneously perform cooling / waste heat recovery of an electronic component and a battery and vehicle indoor air conditioning-side cooling / heating.

The invention discloses a method and a system for testing the thermal resistance of a flat-plate-shaped water-cooling radiator for a high-power semiconductor device, and the method comprises the steps: providing a specified current through a power supply, employing two power semiconductor devices as a heating source, providing a heat dissipation environment through a tested flat-plate-shaped radiator and two auxiliary flat-plate-shaped radiators, and carrying out the testing of the heat resistance of the flat-plate-shaped water-cooling radiator. The two same thermal insulation flat plates keep thermal insulation, the power semiconductor device and the flat plate-shaped radiators form a heating and cooling system, and the thermal resistance of the middle flat plate-shaped radiator is tested. In the testing process, after the heating current is kept and the flat-plate-shaped radiator reaches steady-state heat balance, the inlet refrigerant temperature, the outlet refrigerant temperature and the table top temperature on the two sides of the tested flat-plate-shaped radiator are tested respectively, the heating power of the power semiconductor device is tested, and the thermal resistance of the tested flat-plate-shaped radiator is obtained through calculation. According to the invention, the thermal resistance of the flat radiator can be measured more accurately.

The invention relates to the technical field of cable production and manufacturing and automation control, in particular to an energy-saving cable extrusion production process control system, which comprises a data acquisition module for acquiring real-time working condition parameters of an extrusion production line; the rheological thermal coupling analysis module is used for resolving the shear heat contribution rate under the current working condition; the heat engine response decoupling module is used for determining a heat engine response lag time difference between mechanical shear heat and machine barrel heat conduction; the energy efficiency optimization calculation module is configured to generate a dynamic heat balance control strategy aiming at an unsteady state working condition according to the heat engine response lag time difference and a preset unit output ratio energy consumption target; the self-adaptive execution module is configured to output a cooperative control instruction for a heating and cooling system and a screw driving system based on the dynamic heat balance control strategy so as to realize minimization of system energy consumption; according to the method, the common energy confrontation phenomenon of alternate operation of heating and cooling in traditional control is solved, and the energy consumption in the transition process is greatly reduced.

The invention relates to the technical field of fuel cells, in particular to a fuel cell cold start control method and device, a vehicle, a storage medium and a program product.The method comprises the steps that the pile outlet temperature and the environment temperature of a fuel cell are obtained; calculating a temperature difference value between the pile outlet temperature and the environment temperature; and controlling the fuel cell to execute a cold start action according to the temperature difference value, and if the temperature difference value is greater than a first temperature threshold value in the process of executing the cold start action by the fuel cell, controlling the heater to heat the cooling water path. Therefore, the problems of lack of real-time regulation and control of the state of the galvanic pile, violent, slow and unstable cold and hot impact and the like in related technologies are solved.

The invention discloses a food-grade calcium carbonate continuous production device and an intelligent control method, and relates to the technical field of calcium carbonate preparation, a feeding pipeline is provided with a venturi ejector and is connected with a carbon dioxide inlet pipe, and carbon dioxide is powerfully sucked and shredded into bubbles by utilizing instantaneous negative pressure generated by high-speed flowing lime milk, so that micro-mixing is realized; the crystal growth unit comprises a horizontal tank body, the interior of the horizontal tank body is divided into serially-connected compartments through a plurality of staggered overflow baffles, slurry is forced to advance in a piston flow mode, and a low-shear stirring paddle is arranged; and the crystal form regulation and control unit comprises a vertical continuous stirring kettle, and a heating and cooling jacket is arranged on the outer wall to control the aging temperature. The intelligent control method comprises the steps of multi-dimensional data synchronous acquisition, reaction field domain modeling, crystal evolution prediction, collaborative prediction control and collaborative diagnosis optimization, a reaction field domain twinborn model and a crystal evolution twinborn model are constructed, and a field domain separation attention mechanism and a double-path prediction architecture are adopted to realize a field domain driven feedforward control strategy.

The utility model relates to the technical field of heating devices, and discloses a heating device for a hot reflux process, the heating device comprises a heating plate, a cooling system and a heating system, the heating plate is internally provided with a temperature sensor, a heating pipe and a cooling pipe, the heating pipe is circularly communicated with the heating system, the cooling pipe is circularly communicated with the cooling system, and the heating system is communicated with the cooling system. The heating system and the cooling system are both electrically connected with the temperature sensor. The temperature of the heating plate can be detected in real time through the temperature sensor and compared with the set temperature, when the set temperature is higher than the detection temperature, the cooling system is started, when the set temperature is lower than the detection temperature, the heating system is started, and when the set temperature is equal to the detection temperature, the current heating and cooling system is kept; therefore, the heating and cooling processes in the backflow process can be effectively controlled, the stress generated in the cooling process is avoided, the depression of the ball top is prevented, and the profile deviation degree of the cooled rubber ball is ensured to be qualified.

The present application relates to the technical field of cooking equipment, in particular to a steamed egg machine and a steamed egg method, which comprises a machine body, the machine body is provided with a water storage module and a cooling module, and further comprises an egg loading module, the egg loading module is provided with a heating module; the water storage module is used for storing water; the cooling module is used for spraying water on the egg loading module; the egg loading module is detachably installed on the machine body and used for placing eggs; and the heating module is used for heating water in the egg loading module. The method comprises the following steps: heating and cooling. The just steamed eggs are cooled, which is convenient for immediate consumption and avoids scalding.

The utility model discloses a heating and refrigerating water cup holder which comprises a shell assembly, a heating assembly and a refrigerating assembly. The heating assembly comprises a heating pipeline and is used for heating the cup stand; the cooling assembly comprises a cooling pipeline and is used for cooling the cup stand; and the auxiliary heating and cooling assembly is used for heating or cooling to heat, preserve heat or cool the cup holder. The water cup holder has the advantages that refrigeration or heating of the water cup holder is achieved through the heating assembly and the cooling assembly, energy is effectively saved, meanwhile, auxiliary rapid refrigeration or heating or heat preservation is conducted through the auxiliary heating and cooling assembly, use is more convenient, and different requirements of users are met.

The utility model relates to the technical field of air valve steel, and discloses a martensite air valve steel coil annealing ladle shape improving device which comprises an annealing furnace and a furnace cover arranged at the top of the annealing furnace, the martensite air valve steel coil annealing ladle shape improving device is provided with a supporting assembly, so that coiled coils can be conveniently and orderly placed, uneven heating and cooling caused by stacking are avoided, and the production efficiency is improved. Layered placement of a plurality of wire rods is facilitated through the first supporting disc, the connecting column, the second supporting disc, the fixing column, the supporting sleeve and the like, gaps are reserved between the wire rods, heat transfer is promoted, the first supporting disc and the second supporting disc drive the wire rods to rotate in the annealing furnace, the uniform heating effect is improved, and production efficiency is improved. By arranging the cooling assembly, cold air can be conveniently conveyed into the annealing furnace, cooling liquid circularly flows in the circulating pipe for refrigeration, cold air conveying is achieved through the first draught fan, the air supply pipe, the connecting pipe and the like, and under the rotation effect, uniform cooling is promoted, and the situation that the annealing ladle shape of a wire rod is poor is improved.

The invention discloses a waste tin slag recycling device and method, relates to the field of waste tin slag recycling, and aims at solving the problems that in the prior art, materials are prone to oxidation, consumed time is long, and efficiency is low. The double-layer spiral structure resets quickly after rotating, and the effect of vibration is achieved while downward feeding is achieved. The inlet and the outlet of the vacuum cavity are provided with the isolation cavities so that the vacuum cavity can be kept closed during feeding and discharging, automatic and controllable efficient continuous separation under vacuum can be achieved, the whole process is automatic and controllable, manual operation is not needed, and no oxidation is achieved in the vacuum environment. Meanwhile, according to the method, the materials can be cooled outside the discharging isolation cavity or the melting furnace, the repeated heating and cooling process of the material frame entering and exiting the cavity is omitted, energy is saved, consumption is reduced, material frame deformation caused by repeated heating and cooling of the material frame is avoided, cooling time is saved, and the separation efficiency is improved.

The invention relates to a motor vehicle (200) comprising an internal combustion engine drive and / or an electric drive (202), wherein the motor vehicle (200) has: a primary coolant circuit (10); a secondary fluid circuit (12); a heat exchanger (14) which is designed to provide a thermal operative connection between the primary coolant circuit (10) and the secondary fluid circuit (12); a first control unit (18) associated with the primary coolant circuit (10); a temperature sensor (20) associated with the primary coolant circuit (10); and a heating device (22) associated with the primary coolant circuit (10). According to the invention, the heating device (22) is an electric resistance heater (22w) having a heating element (22h) around which the coolant flows and which is designed to heat the coolant, and the control unit (18) is designed to adjust the electric resistance heater (22w) to a first heating power value (HW1) based on a coolant temperature signal (t) from the temperature sensor (20), wherein the first heating power value (HW1) is selected in such a way that heat at the heating element (22h) is transferred in the range of convection boiling.

The invention relates to a heating / cooling device for offices, in particular for offices having multiple workstations, wherein the heating / cooling device has at least one first heating / cooling element (1) per room, which can be connected to a central heating / cooling circuit in the building and is provided with a respective associated control unit (2) with a thermostat. A first heating / cooling element (1) which can be associated with a workstation is provided for each workstation in the room, wherein the first heating / cooling element (1) comprises two heating / cooling registers (3, 4) which can be connected to the central heating / cooling circuit and which are arranged parallel to one another, wherein a heating / cooling register (3) is arranged horizontally in the floor region below a desktop (5) and the second heating / cooling register (4) is arranged at a parallel distance from same directly below the desktop (5) or within the desktop (5).

The utility model discloses a device for testing reheat cracks of steel after welding, and relates to the technical field of steel performance testing. The heating furnace comprises a heating furnace body, a furnace cover is hinged to the front side of the heating furnace body, a containing plate is arranged at the bottom in a containing cavity of the heating furnace body, a fixing assembly is arranged on the containing plate, an electric push rod is installed on the top of the heating furnace body, and the lower portion of the electric push rod and a telescopic shaft penetrate into the containing cavity of the heating furnace body. And a pressing head is mounted on the lower side of a telescopic shaft of the electric push rod. The device can adapt to samples with different sizes and shapes through the design of the fixing assembly, fine adjustment of clamping force is achieved through the spring and the friction block, it is ensured that the samples are stable and reliable in the testing process, the device integrates heating, cooling and pressure exerting for physical testing analysis, operation is easy and convenient, meanwhile, by accurately controlling all parameters, the testing efficiency is improved, and the testing efficiency is improved. The repeatability and the consistency of test results can be guaranteed, and comparative analysis on the thermal crack performance of different steel products is facilitated.

The invention discloses a superconducting tape axial strain critical current testing device and a manufacturing method thereof. The manufacturing method comprises the following steps: uniformly smearing soldering tin on a sample area and two outer side surfaces of a skeleton, the surface of a test sample and the surfaces of two current leads; placing a test sample in a sample area of the skeleton, placing two current leads on two outer side surfaces of the skeleton respectively, and enabling the two current leads to be in contact with two ends of the test sample respectively; providing a clamp I to fix the test sample on the framework, and providing a clamp II to fix the two current leads on the framework to obtain a semi-finished product; and heating and cooling the semi-finished product to obtain the axial strain critical current testing device for the superconducting tape. According to the manufacturing method of the axial strain critical current testing device for the superconducting tape, the problem that when a traditional welding method is used, the transmission performance of the superconducting tape is reduced due to the fact that the heating time is too long or the heating temperature is too high can be solved.