637 results about "Heating time" patented technology

The invention belongs to the technical field of burning detection. The invention provides a cavity structure for firing residue detection, a detection system and a detection method. The cavity structure comprises a test cavity assembly and an upper cover assembly, the test cavity assembly comprises a cavity shell, an inner cavity body and a lifting driving mechanism, the inner cavity body is arranged in the cavity shell, the output end of the lifting driving mechanism is connected with the inner cavity body to drive the inner cavity body to move up and down, and when the inner cavity body ascends and is matched with the upper cover assembly to complete sealing, an inner cavity space for accommodating the test cup and the sample placing disc is formed; when the inner cavity descends and is separated from the upper cover assembly, the test cup and the sample placing disc are exposed in an outer cavity space formed by the cavity shell and the upper cover assembly; the inner cavity body is provided with an inner cavity heating element for heating the inner cavity space, and / or the upper cover assembly is provided with an upper cover heating element for heating the inner cavity space; according to the invention, the problems of long heating time, poor temperature uniformity and low temperature control precision during detection of the firing residues are solved, and the detection precision of the firing residues is greatly improved.

The invention relates to a digital twinning fused material-equipment collaborative crack repair design method and equipment, and the method comprises the following steps: building an electromagnetic-thermal field coupling model, and obtaining pavement temperature field distribution, the electromagnetic-thermal field coupling model being a system combining microwave heating equipment, an asphalt pavement, a crack and a repair material; based on the mapping relation between the pavement temperature and the dynamic modulus, a pavement compaction model under the action of a road roller is established through finite element simulation; actual pavement parameters are obtained, a key parameter combination of a crack repairing material and microwave heating equipment is inversely optimized according to the pavement compaction model, and the key parameter combination comprises an electromagnetic loss parameter E, heating power W, heating width b and heating time t; and designing a crack repairing material and microwave heating equipment based on the final optimized key parameter combination. Compared with the prior art, the method has the advantages of accurate repair, convenient construction, high repair efficiency, small environmental disturbance and the like.

The invention discloses an induction heating path optimization method suitable for a heterogeneous noise elimination structure, and particularly relates to the field of induction heating path optimization of the heterogeneous noise elimination structure, and the method comprises the steps: building a grid coordinate in a target region, collecting the heat conductivity coefficient, the specific heat capacity, the thermal resistance value and the induction coil gap value of each grid node in the grid coordinate, generating a thermal response model; and performing heat conduction calculation on the thermal response model and a preset heating power curve, calculating a temperature rise value of each grid node in a fixed preset heating time, marking the grid nodes of which the temperature rise values reach or exceed a safe temperature threshold and the adjacent grid nodes as heat concentration areas, and generating risk area data after gathering the heat concentration areas. A risk assessment and dynamic reordering mechanism based on local thermal characteristic difference is introduced in a heating path planning process, so that advanced identification and real-time avoidance of a heat concentration area are realized.

The utility model discloses an aluminum electrolysis anode scrap waste heat utilization device which comprises a trailer, the trailer is provided with a carriage body, a door body is installed on one side of the carriage body, heat preservation materials are laid on the inner wall and the bottom face of the carriage body to form a heat preservation layer, a heat conduction layer is laid on the heat preservation layer on the bottom face of the carriage body, and a plurality of anode scraps and a plurality of new anodes are placed on the heat conduction layer. And the residual poles and the new poles are arranged in a staggered manner. According to the utility model, the new electrode can be preheated by utilizing the residual heat of the residual electrode, and then the preheated new electrode is put into the electrolytic bath for use, so that the heating time and the energy consumption loss of the new electrode in the electrolytic bath can be greatly reduced.

The invention provides a method for producing a wire rod from a high-speed wire rod. The method comprises the following steps: controlling 0.21-0.25% of C, 0.40-0.70% of Si, 0.80-1.10% of Mn, less than or equal to 0.045% of P, less than or equal to 0.045% of S and the balance of Fe; the production method comprises the steps of rough rolling, intermediate rolling, pre-finish rolling, water tank and recovery section after pre-finish rolling, finish rolling, water tank and recovery section after finish rolling, diameter reducing, spinning, air cooling roller bed cooling, coil collecting, trimming and bundling. The temperature of a heating section is controlled to be 1040-1100 DEG C, the temperature of a soaking section is controlled to be 1030-1080 DEG C, and the heating time of the steel billet is 80-120 minutes; the initial rolling temperature is 930-980 DEG C, the finish rolling temperature is 900-930 DEG C, the reducing temperature is controlled at 840-880 DEG C, the spinning temperature is 880-920 DEG C, and a heat preservation cover is completely opened.

The invention discloses an environment-adaptive label printing method, device and equipment and a medium, and relates to the field of label printing. According to the method, under standard printing parameters, reference color development energy and reference heat loss energy of a printing head are obtained; the current environment temperature and the current printing speed are obtained, and a temperature compensation coefficient and a speed compensation coefficient are calculated; calculating the initial heating energy of the printing head; obtaining printing data corresponding to the current printing task, determining a heat historical parameter of each heating point and heating time of an adjacent heating point of each heating point based on the printing data, and generating a proximity effect compensation factor; adjusting the initial heating energy based on the thermal historical parameter and the proximity effect compensation factor to obtain target heating energy; and according to the target heating energy, multi-stage dynamic compensation is carried out on the printing head, so that the actual output energy of the printing head is the target heating energy. By implementing the technical scheme provided by the invention, the printing effect is improved.

An electronic smoking device, a heating method thereof and a computer storage medium are provided in the present disclosure. The electronic smoking device may at least include a heat generator. The heat generator may be configured to heat an aerosol generating substance. The heating method may include: obtaining a current electrical-characteristic value of the heat generator; determining a current temperature value of the heat generator based on the current electrical-characteristic value and a pre-acquired heat generator parameter; the heat generator parameter may represent a corresponding relation between the electrical-characteristic values and the temperature values of the heat generator; adjusting the current temperature value of the heat generator based on a current heating time, a current temperature value and the pre-acquired heating parameter. The heating parameter may represent a corresponding relation between heating time and the temperature values.

The invention relates to the technical field of water tank temperature monitoring, in particular to a monitoring system for a temperature detector to detect the temperature of a water tank, which comprises an intelligent temperature control core management module, a heating effect self-adaptive optimization module and a temperature abnormity sound-light alarm module, setting a heating time interval A according to a specific heat capacity and power formula; the heating effect self-adaptive optimization module adjusts a heating time interval A to a heating time interval B through a time adjustment method, and outputs a control instruction and the heating time interval B to a heating fan; if the indoor temperature value B is larger than the upper limit of the temperature threshold value, the heating completion time is set as the starting time of the detection time threshold value, and in the northeast cold region, the temperature between the fire water tanks is influenced by various factors such as the outside air temperature and the operation state of a heating fan, and the detection time threshold value is adjusted; and the temperature inspection intelligent scheduling unit closely fits the actual change condition of the indoor temperature.

The invention discloses an oil smoke purifier and an oil discharge control method and an oil discharge structure thereof, and the oil discharge control method comprises the following steps: obtaining real-time liquid level information, when the real-time liquid level information is greater than or equal to a preset working liquid level threshold value, controlling a steam switch valve to be opened at a preset initial opening degree, and setting the duration as a preset first working duration; acquiring the real-time temperature of the oil stain and the real-time temperature of the introduced steam; adjusting the actual working opening degree of a steam switch valve based on the real-time oil stain temperature and the real-time steam temperature; and when the real-time liquid level information is smaller than or equal to the preset low liquid level threshold value, the steam switch valve is controlled to be closed by delaying the preset second working duration. According to the method disclosed by the invention, the heating time and process are accurately controlled, so that the oil discharge channel is effectively prevented from being frozen and blocked by oil stains, and unnecessary energy consumption is reduced.

The invention belongs to the technical field of sheet welding deformation leveling, and discloses a construction method and a leveling method of a sheet leveling process parameter model, and the method comprises the following steps: M1, obtaining corresponding material attributes according to a sheet material needing to be leveled on site; m2, related data of the field welding process are known; m3, the initial leveling position, the heating time, the heating current and the heating frequency are obtained according to the material attributes and the welding process parameters of the thin plate; step M4, calculating the heat flux density of the Gaussian heat source model of the heating position according to the heating current, selecting the next heating position according to the heat flux density, and obtaining a heating sequence; and step M5, repeatedly executing the steps M3 to M4, and further correcting the heating time, the heating current and the heating frequency according to the actual temperature change data to obtain a final thin plate flattening process parameter model. According to the method, data of material attributes of an actual flattening heating workpiece and actual flattening working conditions are collected, and a multi-input and multi-output thin plate flattening process parameter model conforming to field working conditions is established.

The invention discloses an aluminum magnesium alloy energy-saving melting device and method based on electromagnetic induction preheating, and belongs to the technical field of aluminum magnesium alloy preparation. The device comprises a preheating curve generation module used for determining a preheating curve based on the weight of an electromagnetic preheating station and the position of a magnesium ingot; the preheating module is used for controlling an induction heating device to carry out electromagnetic preheating on the magnesium ingot based on the preheating curve; the feeding module is used for calculating the clamping force and the acceleration of the manipulator for grabbing the magnesium ingot and the feeding angle after the manipulator reaches the target position, and controlling the manipulator to feed the magnesium ingot into the crucible based on the parameters; the air supply adjusting module is used for adjusting the air supply amount of the variable-frequency fan; and the heating control module is used for controlling the heating process of the heating device to the outside of the crucible. According to the scheme, the heating time can be shortened through electromagnetic preheating, the heat loss is reduced, and the overall energy consumption can be reduced and the melting efficiency and the alloy quality can be improved by combining real-time temperature field monitoring and molten pool recognition.

The invention provides an energy-saving stirring type vacuum deodorization device, which relates to the technical field of plastic processing, and comprises a stock bin, a plurality of groups of vacuum deodorization tanks, a cooling storage tank, a hot air conveying pipeline and a vacuum control pipeline, a discharge port of the vacuum deodorizing tank is communicated with the cooling storage tank through the finished product conveying pipeline, the hot air conveying pipeline and the vacuum control pipeline are both communicated with the vacuum deodorizing pipe tank, the hot air conveying pipeline is used for conveying air to the vacuum deodorizing tank and the cooling storage tank, and the vacuum control pipeline is used for controlling the cooling condition of the vacuum deodorizing tank. The device is used for deodorizing materials, through circulation of a heating condition and a vacuum condition, the heating time of the materials is shortened, raw materials are prevented from being decomposed in the deodorizing process, meanwhile, energy consumption needed by heat compensation is extremely low, the pressure difference between the inner surface area and the outer surface area of particles is created through the vacuum environment, the deodorizing efficiency is improved, and energy consumption is reduced.

The invention provides a precise baking process optimization method and system for a mini LED circuit board, a baking oven is divided into a preheating area, a main baking area and a cooling area, a double-circulation hot air system and top vertical airflow are adopted, infrared and digital humidity sensors are combined, independent temperature and humidity regulation and control are realized, nitrogen-argon mixed gas is injected, and opening and closing of injection holes are adjusted based on the thickness of a substrate, so that the precise baking process of the mini LED circuit board is realized. Maintaining positive pressure and oxygen content in the box based on a three-dimensional pressure sensor network, prolonging heating time according to environment humidity in a preheating stage, performing gradient control on a heating rate, constructing a humidity-moisture absorption rate mapping table and a three-layer neural network model, adjusting power output in combination with Z-axis temperature difference, and adopting forced air cooling and nitrogen sealing procedures in a cooling area; and a plate explosion prediction model is established, a historical data triggering parameter adjustment mechanism is combined, baking parameters are written into the two-dimensional code of the substrate through a block chain technology, and traceability of the whole process is realized.

The invention provides a nondestructive testing method and system for a coarse grain layer on the surface of an aluminum alloy forge piece, and relates to the technical field of nondestructive testing. First surface temperature field time sequence data corresponding to a standard workpiece are collected, and according to the environment temperature, the workpiece heat conductivity, the workpiece specific heat capacity and detection environment parameters, the first surface temperature field time sequence data are obtained; generating a thermal response difference threshold calibration curve corresponding to the standard workpiece; performing eddy current induction heating on the to-be-detected workpiece at the same heating time as the standard workpiece and the preset workpiece interval, and collecting second surface temperature field time sequence data corresponding to the to-be-detected workpiece; comparing the temperature of each moment in the second surface temperature field time sequence data with the temperature of the moment corresponding to the thermal response difference threshold value calibration curve, and if the temperature difference value between the second surface temperature field time sequence data and the thermal response difference threshold value calibration curve exceeds a preset temperature threshold value, determining that the thermal response difference threshold value calibration curve does not exceed the preset temperature threshold value; and if so, determining that the coarse grain layer exists on the surface of the to-be-detected workpiece or the depth of the coarse grain layer on the surface of the to-be-detected workpiece exceeds the limit. According to the invention, the nondestructive detection precision of the metal workpiece can be improved.

The invention discloses a brake drum heat treatment process method based on digital twin drive, which comprises the following steps: acquiring real-time process parameters including temperature, atmosphere and heating time from a heat treatment furnace group, acquiring and transmitting the real-time process parameters to a central data processing module through a sensor network to obtain a standardized parameter data set; according to the synchronous adjustment instruction, the temperature curve and atmosphere control parameters of each heat treatment furnace are updated in real time, cooperative adjustment is achieved through a communication protocol between devices, and a consistent process execution state is obtained; extracting sensor data from the consistent process execution state, and generating a data record binding a physical entity and a digital model in combination with a timestamp and a device identifier to obtain a traceable data set; and aiming at the traceable data set, encrypting and storing the mapping relation between the sensor data and the process result by adopting a block chain technology, judging whether the data is tampered or not, and obtaining a tamper-proof verification result.

The invention discloses a self-adaptive temperature control method for an AI server heat dissipation system, and relates to the technical field of AI server heat dissipation control, and the method comprises the steps: determining a to-be-executed task which will cause the step mutation of the power consumption of a processor based on a task queue obtained from a task scheduler; generating a front heat dissipation control instruction corresponding to the to-be-executed task; obtaining a response delay parameter of a heat dissipation execution unit, wherein the response delay parameter is used for representing the time delay of the heat dissipation execution unit from instruction receiving to target heat dissipation efficiency reaching; according to the invention, the problems caused by starting according to a single time sequence in the traditional integral control are solved: energy consumption waste is caused by too early starting of a radiator with short delay, and heat accumulation is caused by too late starting of a radiator with long delay. Therefore, the core contradiction between the heat dissipation time and the heating time is solved.

The invention belongs to the technical field of aerosol generation, and provides aerosol generation equipment and a control method and equipment thereof, a medium and a program product, the aerosol generation equipment comprises a shell, and further comprises a heating element arranged outside a heating cabin in the shell and used for heating an aerosol matrix or residual substances in the heating cabin; the adsorption element is detachably arranged in the heating cabin and is used for adsorbing volatile substances in the residual substances under the condition that the heating element performs heating operation on the residual substances; the controller is connected with the heating element and is configured to execute the following operations: under the condition that a cleaning instruction is received, the heating element is controlled to execute heating operation on the residual substance, and the heating temperature of the heating operation is higher than the melting point temperature of the residual substance and lower than the temperature-resistant temperature of the adsorption element; and when the heating temperature of the heating operation reaches the preset temperature range and the heating duration reaches the preset duration, the heating element is controlled to stop the heating operation.

The invention provides a device and a construction method for self-prestress shear-resistant reinforcement of a concrete beam based on Fe-SMA battens. The method comprises the following steps: S1, determining the type of the concrete beam; s2, a to-be-reinforced area is pretreated; s3, reinforcing parts are installed; s4, the Fe-SMA batten is excited for the first time; and S5, carrying out secondary excitation on the Fe-SMA batten. The reinforcing device and the construction mode can be suitable for different types of concrete beams, the device is convenient to install, prestress application is convenient and efficient, rapid active prestress reinforcing is achieved by optimizing the temperature rising means of energization excitation, the tedious tensioning process is omitted, and the temperature rising time and the excitation temperature are optimized to achieve controllable damage of the adhesive layer. The invention provides a complete set of method for secondary excitation of the Fe-SMA batten, so that the service life of the reinforced concrete beam is further prolonged; reinforcing members do not need to be replaced, and maintenance cost is reduced; and the method is suitable for long-term service performance recovery and improvement of engineering structures.

The utility model discloses lining cloth shaping and stretching equipment which comprises a base plate, preheating limiting rollers are arranged on the left side and the right side of the outer surface of the upper end of the base plate, supporting frames are connected to the outer surfaces of the two ends of each preheating limiting roller, and a stretching assembly is installed in the middle of the outer surface of the upper end of the base plate. According to the lining cloth shaping and stretching equipment, the height of the tension detection roller can be conveniently adjusted through the stretching assembly, lining cloth can be stretched, the tension of the lining cloth can be adjusted, applicability is improved, cloth can reach the needed shaping temperature more quickly through the preheating limiting roller and preheating of the heating roller, and the lining cloth shaping and stretching efficiency is improved. Therefore, the overall setting time is shortened, the cloth has a certain temperature when entering the setting machine through preheating treatment, the heating time in the setting process is shortened, and the production efficiency is improved.

The utility model provides an optical fiber fusion splicer heating device and an optical fiber fusion splicer, the optical fiber fusion splicer heating device comprises a base, an upper cover is arranged on the upper side of the base, a heating mechanism is arranged in the base and the upper cover, a connecting mechanism is arranged between the base and the upper cover, and placing grooves are formed in the surfaces of the two sides of the base; a heat-shrinkable sleeve is arranged in the base, an optical fiber body is arranged in the heat-shrinkable sleeve, and a fixing mechanism is arranged between the base and the upper cover. The heating mechanism comprises arc-shaped heat conduction plates, and the two arc-shaped heat conduction plates are fixedly installed in the base and the upper cover correspondingly. By using the heating mechanism, the resistance wire works to heat the arc-shaped heat conduction plates, and the two arc-shaped heat conduction plates are matched to quickly heat the middle parts of the two arc-shaped heat conduction plates, so that not only is the contact area with the heat-shrinkable sleeve increased, but also quick and uniform transfer of heat is ensured, the heating time is effectively shortened, and the heating efficiency is improved. And the working efficiency is improved.

An injection molding system is disclosed. The injection molding system includes: a mold; a hot runner including: a manifold; one or more injection nozzles coupled to the manifold; a plurality of heaters in thermal contact with the manifold and the one or more injection nozzles, the heaters being arranged into one or more defined heating zones within the hot runner; and at least one temperature sensor associated with each heating zone, and a system controller coupled to the plurality of heaters, the system controller being configured to: for each heating zone: determine a setpoint temperature associated with the heating zone; obtain, via a temperature sensor, measurement of a current local temperature of the heating zone; determine a control gain value associated with the heating zone; and compute a predicted heating time for the heating zone based on the setpoint temperature, the current local temperature, and the control gain value, determine a heating schedule for the hot runner based on the predicted heating times for the heating zones; and operate the plurality of heaters in accordance with the heating schedule.

The application discloses a heating assembly, a heating device and a battery cell hot-pressing equipment. The heating assembly comprises two coil assemblies, each coil assembly comprising a magnetic conducting member and a plurality of coils, the magnetic conducting member having three connection ends arranged in sequence, the connection ends being connected in a straight line, and each connection end being provided with a coil, and adjacent coils being adapted to pass through currents with a phase difference of 120 degrees. The two coil assemblies are arranged at intervals, a heating space is formed between the two coil assemblies, the connection ends of the magnetic conducting members of the two coil assemblies correspond to each other, the coils sleeved on the two corresponding connection ends are adapted to pass through currents with the same phase and can form a closed and linearly moving magnetic circuit. By corresponding the connection ends of the two magnetic conducting members and passing three-phase alternating currents through the coils on the three connection ends of the same magnetic conducting member, the closed magnetic circuit is linearly moved, so that the heating of the battery cell is uniform, the heating time of the battery cell is reduced, and the heating efficiency of the battery cell is improved.

The utility model discloses electrothermal film radiation heating water storage heat supply equipment, which comprises a water storage tank, a first electrothermal film, a heat conduction part, a controller and temperature sensors, the heat conduction part is arranged at the bottom of the water storage tank, the first electrothermal film is fixedly connected with the heat conduction part, and the temperature sensors are arranged at different height positions in the water storage tank. The controller is connected with the first electric heating film and the temperature sensor, the temperature sensor collects temperature signals of different heights and transmits the temperature signals to the controller, the controller adaptively adjusts the heating power of the first electric heating film based on the temperature signals, and the water heating efficiency is improved through the heat conduction effect of the heat conduction component; the electric heating film and the heat conduction component are arranged at the bottom of the water storage tank, so that the heating area is greatly increased, the heating efficiency is improved, and the heating time is shortened.

This application relates to a waffle maker control method and system, belonging to the field of household appliance technology. It solves the problem that if a user forgets to set the waffle supply time after pressing the waffle maker's start switch, the waffles cannot be obtained in a timely manner. The method includes: obtaining the user's identity information after pressing the waffle maker's start switch; if not, analyzing and determining the waffle supply time based on the correspondence between the user's identity information and the waffle supply time; if yes, using the set waffle supply time as the analyzed and determined waffle supply time; analyzing and determining the start timing for starting the waffle maker to process waffles based on the analyzed and determined waffle supply time and the waffle heating time; and starting the waffle maker to process waffles according to the analyzed and determined start timing. This application has the following effect: better ensuring that the waffle maker's waffle supply timing meets the user's needs.

The application provides a method for preparing a soft magnetic composite material curing curve, comprising the following steps: preparing a magnetic ring, wherein the material of the magnetic ring comprises a soft magnetic composite material; heating the magnetic ring at different temperature values; testing the crushing strength of the magnetic ring at different heating times at each temperature value; determining the optimal curing time of the soft magnetic composite material at the temperature value according to the crushing strength; and preparing a soft magnetic composite material curing curve according to the crushing strength and the optimal curing time. The soft magnetic composite material curing curve prepared according to the application can shorten the curing time of the soft magnetic composite material, thereby improving the production efficiency. The application also provides a soft magnetic composite material curing curve prepared by the preparation method.

The present invention provides an aerosol generating device (1) and a heating structure (10) for the same. The heating structure (10) includes a heating element (12) capable of emitting infrared light waves when energized and a tube (11) associated with the heating element (12) through which infrared light waves are transmitted, with a gap between the heating element (12) and the wall of the tube (11). The heating element (12) includes a heating portion (121) and a conductive portion (122). The heating portion (121) includes at least two spaced-apart heating sections (1211, 1212), which are electrically connected to the conductive portion (122). The heating element (12) does not overburn the aerosol-forming matrix (2), significantly improving the smoking experience and significantly shortening the pre-heating time under high-temperature operating conditions, thereby significantly improving the consumer experience. The heating element (121) can perform stepwise heating in accordance with various aerosol-forming matrices (2), and the temperature field distribution is reasonable.

The invention discloses an LED glass cement compatibility testing method, and relates to the technical field of LED testing, and the method comprises the steps: welding an LED at the center of a PCB; uniformly coating the bottom of the high-temperature-resistant glass bottle with glass cement, and after the surface of the glass cement is dried, enabling the opening of the high-temperature-resistant glass bottle to face downwards, surrounding the LED and inversely buckling the high-temperature-resistant glass bottle on the PCB; glass cement consistent with the bottle bottom is smeared on the peripheral side of a bottle opening of the high-temperature-resistant glass bottle, so that the LED and the glass cement at the bottle bottom are sealed in the closed space; putting the LED glass cement compatibility test device into a high-low temperature test box, setting the temperature to be 80 DEG C, the heating time to be 20 minutes and the relative humidity to be 50%, and performing constant-temperature aging for 500 hours; taking out the aged LED glass cement compatibility test device from the high-low temperature test box, separating the high-temperature-resistant glass bottle from the PCB, communicating a positive lead and a negative lead of the PCB with a circuit, electrifying the LED, measuring the aged color temperature value, and calculating whether the color temperature change rate, the color rendering index and the color tolerance of the LED reach set thresholds or not.

The invention relates to the technical field of metal heat treatment, in particular to a one-stop triple heat treatment device and an intelligent control system. The intelligent control system comprises a heating control module connected with the heating furnace and used for controlling the heating time and the heating power of the heating furnace so as to control the heating furnace to heat a workpiece to a preset quenching temperature or a preset tempering temperature; the temperature detection module is connected with the temperature sensor so as to obtain a workpiece heating temperature signal output by the temperature sensor and output workpiece heating temperature data; the transfer control module is used for controlling the transfer unit to transfer workpieces; and the central control module is connected to the heating control module, the temperature detection module and the transfer control module, and is used for receiving the workpiece heating temperature signal output by the temperature detection module and outputting a control instruction to the heating control module and the transfer control module according to the workpiece heating temperature signal.

A pipeline welding machine comprises a vertically-arranged electric heating assembly and a driving arm which is connected with the electric heating assembly and drives the electric heating assembly to move, horizontal sliding rails in the left-right direction are oppositely arranged on the left side and the right side of the electric heating assembly, and each horizontal sliding rail is provided with a pipeline clamping assembly. Each pipeline clamping assembly is driven by a motor to slide left and right on the corresponding sliding rail, the electric heating assemblies, the driving arms and the motors are all connected with a power source through corresponding controllers, each electric heating assembly comprises two base plates which are oppositely arranged left and right, the normal directions of the base plates are in the left-right direction, and connecting pieces are arranged between the inner sides of the two base plates in the left-right direction. The driving arms are connected with the connecting pieces, electric heating plates are embedded in the outer side faces, in the left-right direction, of the two base plates, and the two electric heating plates are connected with a power source through a temperature adjusting controller. Therefore, the temperatures of the two sides can be controlled respectively, the welding surfaces of the two to-be-welded pipelines are in a consistent molten state under the same heating time, and the welding effect is good.

The present application relates to a kind of electric tools for the live part of busbar insulation encapsulation, including insulated operating rod, still including encapsulation sleeve assembly, compaction component and execution component;The execution component is arranged at the end of insulated operating rod, and the compaction component is arranged on execution component;The encapsulation sleeve assembly includes heat shrink sleeve and the mounting piece on heat shrink sleeve, and the compaction component includes two insulation sleeve seats fixed on execution component, and the connecting piece for being inserted on mounting piece is arranged on two insulation sleeve seats, and heating strip is also arranged on two insulation sleeve seats, heat shrink sleeve is arranged between two insulation sleeve seats, and heat shrink sleeve is compacted on busbar and encapsulation is completed by the mutual extrusion of two insulation sleeve seats, can keep the stability of device while avoiding the problem of excessive heating time of heat shrink sleeve.