81results about How to "Increase heating power" patented technology

The invention relates to the technical field of chemical reaction equipment, in particular to a reaction device for synthesizing high-molecular N-halamine resin, which comprises a viscosity adjusting mechanism, the viscosity adjusting mechanism comprises a detection plate for detecting viscosity, a first permanent magnet is embedded in the detection plate, a second permanent magnet is magnetically adsorbed by the first permanent magnet, and a second permanent magnet is embedded in the second permanent magnet; the top end of the second permanent magnet is provided with a magnetism isolating plate, and the top end of the magnetism isolating plate is fixedly connected with a conducting strip. The viscosity of the resin is fed back by detecting the movement distance of the detection plate, when the viscosity of the resin is increased, the friction force between the resin and the detection plate is also increased, the detection plate moves towards the side away from the connecting spring, and the movement drives the second permanent magnet and the conducting strip to slide on the resistance plate. And through a current monitor in the PLC, the current change of the slide rheostat can be detected, so that the viscosity of the resin is monitored in real time.

The utility model provides an intelligent snow and ice melting system for a steel structure roof. Comprising an intelligent control system (1), a snow melting and deicing system (2), an environment monitoring system (3), a first connecting line (4) and a second connecting line (5), the environment monitoring system acquires the roof state and transmits a signal to the intelligent control system, the intelligent control system judges whether to start the snow and ice melting system or not, and heating is started when the temperature reaches the lower limit value and the accumulated snow or ice thickness reaches the upper limit value. Stopping heating when the temperature reaches an upper limit value and the thickness of accumulated snow or ice reaches a lower limit value; after the snow and ice melting system is started for heating, the heating power of the adjustable infrared heating film is changed along with the change of the environment state of the roof, the heating power is reduced when the outdoor temperature is high and the snow body thickness and the ice body thickness are small, and the heating power is increased when the outdoor temperature is low and the snow body thickness and the ice body thickness are large. And the most ideal snow melting and deicing effect can be achieved with the minimum power consumption.

The invention discloses a silicon-based liquid crystal display device capable of improving low-temperature starting speed and a vehicle, the silicon-based liquid crystal display device comprises a temperature adjusting module and a silicon-based liquid crystal display chip module, and the temperature adjusting module is arranged on the silicon-based liquid crystal display chip module. The temperature adjusting module comprises a semiconductor refrigerating element capable of refrigerating and heating, a heating element used for heating and a power supply circuit, the semiconductor refrigerating element and the heating element are arranged on the power supply circuit in parallel, and a circuit branch where the heating element is located is provided with a diode. By the adoption of the silicon-based liquid crystal display device, the silicon-based liquid crystal display device of the vehicle can be started at a higher speed in a low-temperature environment, quick response is achieved, and the temperature adjusting module enables the silicon-based liquid crystal display device to adapt to a wider environment temperature range.

The invention discloses a battery pulse heating system, a vehicle, a heating method and a computer readable storage medium. The heating system comprises an inverter, a motor, a main diode VD0, a motor controller and a battery management module, and a main switch K0 is arranged between the inverter and the positive electrode of a battery pack E; the positive electrode of the main diode VD0 is connected to the parallel end of the capacitor C of the inverter and the three upper bridge arms, and the negative electrode of the main diode VD0 is connected to the positive electrode of the battery pack E; when the state parameters, collected by the battery management module, of the battery pack E meet preset heating conditions, the battery management module sends a heating instruction to the motor controller; and the motor controller responds to the heating instruction, outputs a driving signal to control a preset target upper bridge arm switch to be switched on, and periodically controls a main switch K0 and a preset target lower bridge arm switch to be synchronously switched on and switched off. The invention has the advantages that the motor bus capacitor C and the stator inductor are simultaneously utilized to store energy, the pulse current passing through the battery pack E is increased, and the heating efficiency is improved.

The utility model relates to a vacuum coating evaporation source with an anti-splashing function, which comprises an evaporation crucible and a heating source, and is characterized in that an anti-splashing device for preventing liquid evaporation raw materials from splashing is arranged in the evaporation crucible, and the anti-splashing device is horizontally arranged in the liquid evaporation raw materials. By arranging the splash-proof device which is horizontally arranged in the liquid evaporation raw material, bubbles generated during boiling can be intervened, so that the occurrence of a splash field is greatly reduced, the heating power of a heating source is increased, the film forming speed of vacuum coating equipment is improved, and the uniformity of formed films is kept. The vacuum coating evaporation source with the splash-proof function is simple in structure, long in service life, good in splash-proof effect and wide in application range.

The utility model provides a PP material roll cutting machine and a multi-layer automatic plate stacking system. The PP material roll cutting machine comprises a machine frame, a plurality of discharging winding roller mechanisms, a plurality of material guide rollers, a roll pressing mechanism, a hot pressing mechanism, a clamping and conveying mechanism and a cutting mechanism. The discharging winding roller mechanisms and the material guide rollers are all rotationally connected to the machine frame. The roll pressing mechanism comprises a roll pressing wheel and a pressing air cylinder, the rack comprises a rack body and a mounting rack, the mounting rack is slidably connected to the rack body, the pressing air cylinder is mounted on the rack body, the power output end of the pressing air cylinder is connected with the mounting rack so as to drive the mounting rack to slide relative to the rack body, and the two ends of the roll pressing wheel are rotationally connected to the mounting rack; the pressing and rolling wheel can be flexibly adjusted according to the increase of the number of PP materials passing through the pressing and rolling wheel, the heating power output by the heating control end of the hot pressing mechanism is also synchronously improved, the situation that PP plate semi-finished products are not heated thoroughly is avoided, and the applicability of the PP material roll cutting machine is improved.

The invention relates to a preparation method of TiZrVNbAl alloy powder with high fine powder yield, and belongs to the technical field of alloy powder materials. The diameter of the flow guide pipe in the gas atomization powder preparation process is designed. High-temperature fine fluid is obtained by properly reducing the diameter of the flow guide pipe and increasing the heating power of the bottom of the crucible; meanwhile, the geometrical shape and the position of the nozzle in the gas atomization powder making process are designed, and the annular nozzle is adopted to enhance the coupling effect between the annular nozzle and fluid flowing out of the flow guide pipe. The hole of the annular nozzle is adjusted to be matched with the diameter of the flow guide pipe, the fluid flowing resistance is reduced, and the interaction between the gas and the fluid is further enhanced. And the relative position and angle between the nozzle and the flow guide pipe are adjusted, so that atomized gas can be in better contact with fluid, the fluid can be more effectively atomized by the gas, finer liquid drops are formed, and the fine powder rate is improved.

The utility model relates to the field of material testing devices, in particular to a multi-parameter adjustable metal in-situ salt spray corrosion-fatigue device adaptive to optical measurement mechanics, which comprises an in-situ salt spray corrosion fatigue reaction cavity, and the reaction cavity comprises a semi-closed salt spray bin, a sample, a mist exhaust fan, a sample adaptive block, a flow guide pipe and an exhaust pipe; an upper sample hole is formed in the middle of the top of the semi-closed salt mist bin, a lower sample hole is formed in the middle of the bottom surface of the semi-closed salt mist bin, the outer side wall of the sample adaptive block is tightly matched with the lower sample hole, an inner hole of the sample adaptive block is matched with a lower clamping end of a sample, and the upper sample hole is matched with an upper clamping end of the sample; and a flow guide pipe is arranged on the bottom surface of the semi-closed salt mist bin close to the exhaust pipe. The device can be adapted to samples with different sizes.

The invention relates to the technical field of synthetic fiber paper manufacturing, in particular to aramid-based heating paper and a preparation method thereof.The preparation method comprises the steps that para-aramid chopped fibers and potassium hydroxide are added into dimethyl sulfoxide, then water is added, stirring and dispersing are conducted, and nanofiber dispersion liquid is obtained; adding carbon fibers and aramid chopped fibers into the nanofiber dispersion liquid for defibering, and uniformly mixing to obtain chopped fiber dispersion liquid; the preparation method comprises the following steps: adding a meta-aramid polymer liquid, a nanofiber dispersion liquid and a precipitation agent into precipitation equipment, carrying out high-speed shearing to obtain a fibrid, carrying out cooling molding in a water washing pool, and carrying out multi-stage water washing to obtain a meta-aramid fibrid; and uniformly mixing the chopped fiber dispersion liquid and meta-aramid fibrid, and then carrying out wet-process papermaking, squeezing drying and hot-pressing treatment to obtain the aramid-based heating paper. According to the preparation method, the carbon fibers and the aramid chopped fibers can be well dispersed, and the prepared aramid-based heating paper has higher uniformity and better mechanical properties and heating performance.

The invention discloses a hot oil simulation system suitable for a converter transformer fire extinguishing test and a hot oil heating method, the hot oil simulation system comprises a heating unit, a heat preservation oil storage tank, a main oil tank top oil pool, a right side accident oil pool, a left side accident oil pool and an oil conservator, the heating unit is connected with the heat preservation oil storage tank and can heat the heat preservation oil storage tank; the oil conservator is communicated with the top oil pool of the main oil tank, the heat preservation oil storage tank is communicated with the top oil pool of the main oil tank through a first input pipeline and a first output pipeline, and the heat preservation oil storage tank is connected with the right side accident oil pool and the left side accident oil pool through a second input pipeline. And the right side accident oil pool and the left side accident oil pool are communicated with the heat preservation oil storage tank through a second output pipeline. Compared with the mode of directly heating the oil pool at the top of the main oil tank and the accident oil pools on the two sides by adopting electrical bars after oil injection, the oil temperature control mode that the heating unit firstly heats, then injects oil and then finely adjusts the oil temperature has the advantages of being high in safety, more uniform in oil temperature distribution and the like.

The invention discloses a lithium battery cathode graphite constant power graphitization system and an operation method, the system comprises a carrying mechanism, a water flow control mechanism and a transformer, the carrying mechanism comprises an annular water tank and a plurality of mobile ships, each mobile ship is provided with a graphitization furnace, and each graphitization furnace is internally provided with a temperature sensor; the water flow control mechanism is used for controlling the water flow direction in the annular water tank so as to drive all the movable ships to move. The system has the beneficial effects that the water flow direction in the annular water tank is controlled through the water flow control mechanism so as to drive the moving boats to move, the graphitization furnaces sequentially pass through the heating areas, and the transformer supplies power to the graphitization furnaces in all the heating areas at the same time, so that after the system operates stably, the total heating power can be kept approximately stable, and the service life of the graphitization furnaces is prolonged. Therefore, the power demand in the heating process is more stable, the power utilization rate of the transformer is improved, and the production cost is reduced.

The invention relates to a snack microorganism detection method, and belongs to the technical field of food detection, and the snack microorganism detection method comprises the following steps: step 1, respectively putting a plurality of sampling tubes filled with snacks into a heating area and a refrigeration area in a sorting module of intelligent heating equipment; 2, counting the average temperature of the samples in the sampling tubes in the heating area and the refrigeration area to judge whether the average temperature of the samples in the heating area is lower than a threshold value or not; 3, feeding the plurality of sampling pipes in the heating area into a heating module and a refrigerating module; 4, comparing the average temperature of the samples in the heating area and the refrigeration area with a threshold value; and 5, detecting the heated or refrigerated sample. Temperature regulation and control in the snack microbe detection process are improved, the snack microbe detection precision is improved, and the screening mechanism of substandard snacks is enhanced, so that the substandard snacks are prevented from flowing into the market or reduced, the overall quality of the snacks produced and sold by enterprises is guaranteed, and the reliability of food safety detection is improved.

The invention belongs to the technical field of geothermal energy resource development and utilization, and discloses a medium-deep layer geothermal single well downhole heat supply system with a pressure adjusting device, a vacuum heat preservation steel pipe is arranged in a geothermal well wall, an annular cavity is formed between the vacuum heat preservation steel pipe and the geothermal well wall, and the pressure adjusting device is arranged in the annular cavity; a low-temperature liquid working medium is arranged in the annular cavity and flows into the geothermal medium through the pressure adjusting device to form a high-temperature vapor working medium, the high-temperature vapor working medium enters the vacuum heat preservation steel pipe, and the high-temperature vapor working medium absorbs heat through the ground heat utilization unit, is converted into the low-temperature liquid working medium and flows back to the annular cavity. The temperature of hot water at the outlet of the geothermal well can be increased while the heat extraction power is guaranteed, and the diversity of geothermal resource utilization is improved; in addition, a pressure adjusting device is additionally arranged in the system, the pump work of the system can be reduced, and the economical efficiency of the system is improved; meanwhile, dynamic regulation and control of the system can be achieved, and it is guaranteed that high heat extraction power is achieved, and the outlet temperature is matched with the optimal heat extraction flow.

The invention discloses a gas cooker, relates to the field of gas cookers, and is used for solving the backfire risk caused when a fire groove is used for heating cookware. The gas cooker comprises a shell and a burner, wherein the burner is arranged in the shell; the burner comprises a base, a distributor and a burner cap, the base is used for being connected with a gas supply pipeline, the distributor is arranged on the base and provided with a gas cavity communicated with the gas supply pipeline, the burner cap is arranged above the distributor, a plurality of first concave parts are arranged on the top face of the burner cap at intervals, and the first concave parts extend in the radial direction of the burner cap. Wherein a plurality of fire holes are formed in the first concave part at intervals, and the fire holes communicate with the gas cavity. The multiple fire holes are formed in the first concave part, the multiple fire holes communicate with the gas cavity, gas overflows through the fire holes and burns in the first concave part, the heating effect similar to that of a fire groove is formed, meanwhile, the fire holes are adopted for communicating with the gas, and the backfire risk caused when the gas is insufficient or fire is turned off is avoided.

The utility model discloses an electric heating device for preheating a steel ladle, which is an integral device, W-shaped electric heating tubes are arranged in the device, correspond to an upper heating area, a lower heating area and a bottom heating area of the steel ladle respectively and are arranged outside a main body frame of an electric heater respectively, and aluminum silicate heat insulation cotton is filled between the electric heater and the main body frame. The electric heater performs wiring through an internal low-temperature wiring area and is led out to an external junction box through a lead-out wire pile head, the external junction box is provided with a cooling fan, and six furnace chamber temperature measurement double-branch K-scale division thermocouples are arranged in the electric heater and respectively correspond to two upper heating areas, two lower heating areas and two bottom heating areas; the electric heater is internally provided with six pipe meter overtemperature protection double-branch K indexing thermocouples which respectively correspond to two upper heating areas, two lower heating areas and two bottom heating areas.

The present invention provides a refrigerator pressure relief structure, including a spring pressure relief valve and a rotating shaft pressure relief valve arranged in a refrigerator door shell; wherein the spring pressure relief valve drives an elastic valve ball to block or connect a first pressure relief channel through the spring force, so as to achieve pressure balance inside and outside the refrigerator after closing the door; the rotating shaft pressure relief valve includes a sleeve assembly and a rotating shaft located in the sleeve assembly; one end of the rotating shaft is connected to a rotating handle of the door body, and the rotating handle is rotated to rotate the rotating shaft in the sleeve assembly to different positions to close or connect a second pressure relief channel, so as to achieve pressure balance inside and outside the refrigerator when opening the door. The present invention also provides a refrigerator including the above-mentioned pressure relief structure. The present invention coordinately controls the pressure balance after closing and opening the refrigerator door by simultaneously arranging a spring pressure relief valve and a rotating shaft pressure relief valve linked with the handle, so as to achieve convenient and fast door opening and no cold leakage or frost around the pressure relief valve.

The tritium and carbon sampling system comprises a catalytic oxidation heating device, and a gas inlet device, an absorption device and a gas extraction device which are communicated in sequence. The absorption device comprises a front-section absorption bottle and a rear-section absorption bottle communicated with the front-section absorption bottle, the front-section absorption bottle is communicated with the air inlet device, and the rear-section absorption bottle is communicated with the air extractor. The catalytic oxidation heating device is provided with a gas inlet and a gas outlet communicated with the gas inlet, the gas inlet is communicated with the front-section absorption bottle, and the gas outlet is communicated with the rear-section absorption bottle. The first temperature sensor is arranged on the gas outlet side of the catalytic oxidation heating device and used for collecting the temperature of gas on the gas outlet side of the catalytic oxidation heating device, and the control device is electrically connected with the catalytic oxidation heating device and the first temperature sensor. The heating temperature of the catalytic oxidation heating device is adjusted through the first temperature sensor and the control device, so that the heating temperature of the catalytic oxidation heating device can be accurately controlled.

The application relates to a power control method and device, a multi-cavity function box and an integrated appliance, and relates to the technical field of household appliances. The power control method comprises the following steps: receiving a working instruction for controlling the working of a first function box; judging whether a second function box is in a running state; if yes, judging whether the real-time total heating power of a first power curve and a second power curve is greater than a heating power threshold; if yes, adjusting at least one of the first power curve and the second power curve, so that the real-time total heating power of the first function box and the second function box after the adjustment is not greater than the heating power threshold; wherein the first power curve is a heating power curve of the first function box working in a single cavity under the working instruction; and the second power curve is a heating power curve of the second function box working in a single cavity under the running state. The application has the effect of reducing the heating time of food in the function box.

The fumigation machine comprises a shell, a fumigation assembly, an airflow detection module and a control module, a containing cavity is formed in the shell, the shell is provided with an air suction port and an air inlet which are communicated with the containing cavity, the fumigation assembly is arranged in the shell and located in the containing cavity, the fumigation assembly is provided with a fumigation cavity, and the airflow detection module is connected with the control module. The fumigation cavity is communicated with the containing cavity, the fumigation assembly can heat the fumigation cavity, the airflow detection module is arranged in the shell and located in the containing cavity, the airflow detection module is used for detecting airflow signals, the airflow signals are used for representing whether airflow exists in the containing cavity or not, and the control module is arranged in the shell. The control module is electrically connected with the airflow detection module and the fumigation assembly, the control module adjusts the heating power of the fumigation assembly according to the airflow signal, the design can reduce consumption of electric energy and material paste, waste is reduced, and the use requirements of users are met.

The utility model discloses a kind of low wind resistance printing machine hot air energy-saving system, belong to the field of printing machine, and the system mainly includes drying oven, air heating assembly, air intake component, heat recovery component and exhaust component. The air heating assembly includes heating box, its internal electric heating assembly and air intake temperature detection component. Heating box air intake end is connected air intake pipe through flow guide pipe. The air intake pipe is set through heat recovery component, and exhaust component is equipped on heat recovery component;The air intake temperature detection component is automatically adjusted according to the temperature of the preheated airflow entering heating box, and the heating power of electric heating assembly. High-temperature exhaust gas discharged by exhaust component flows through heat recovery component, and its heat is transferred to fresh air intake flowing through heat recovery component, and the airflow after preheating enters heating box, and its temperature is sensed by air intake temperature detection component, so as to dynamically adjust the power of electric heating assembly. The system effectively recycles and utilizes drying waste gas waste heat, and significantly reduces electric heating energy consumption.

The invention relates to a device for increasing the cold start speed of an alkaline electric hydrogen production equipment system, and relates to the field of water electrolysis hydrogen production technical equipment.The device comprises a liquid inlet assembly, the liquid outlet end of the liquid inlet assembly is connected with an acceleration assembly, the liquid outlet end of the acceleration assembly is connected with an electrolytic bath, and the liquid outlet end of the electrolytic bath communicates with the liquid inlet assembly; the acceleration assembly comprises an acceleration box, and a temperature rising assembly is arranged in the acceleration box. The cold start speed of the alkaline water electrolysis hydrogen production equipment system is greatly increased, the cold start time is reduced from the hour level to the minute level, the response speed of the electric hydrogen production equipment system to the fluctuation working condition is increased, and the adaptability and flexibility of the electric hydrogen production equipment in a renewable energy power generation system are enhanced.

The utility model discloses a kind of electromagnetic wire disc for cooking utensil, including disc body, the electromagnetic coil of being wound in disc body, and the wire pressing rib being set to disc body, wire pressing rib and disc body between still being provided with isolation rib, first wire channel is formed between isolation rib and disc body, second wire channel is formed between isolation rib and wire pressing rib, electromagnetic coil is wound respectively in first wire channel and second wire channel to form double-layer coil structure, wire pressing rib and isolation rib are set in up and down staggered, the thickness of wire pressing rib is greater than the thickness of isolation rib. The elastic deformation ability of isolation rib wall thickness is relatively thin to improve, deformation occurs when winding conveniently using toughness, and then electromagnetic coil is embedded into first wire channel, the distance between outer coil and utensil is reduced, so that outer coil and utensil coupling distance is controlled in the range of efficient magnetic induction intensity. The thickness of wire pressing rib is relatively thick, can withstand the tension of electromagnetic coil winding, guarantee the neatness of inner and outer coil winding.

The utility model discloses a temperature control reaction kettle device for a laser velocity field instrument in the technical field of temperature control of reaction kettles. The annular heating rod is arranged in the reaction kettle and is used for heating fluid in the reaction kettle; the semiconductor chilling plate is used for dissipating heat of the reaction kettle and comprises a refrigeration surface and a heat dissipation surface; the water-cooling heat dissipation system comprises a water-cooling plate attached to the heat dissipation face and a cooling liquid circulating pipeline for refrigerating the water-cooling plate. Through cooperation of the annular heating rod, the semiconductor chilling plate and the cooling liquid circulating pipeline, accurate temperature control of fluid in the reaction kettle is achieved, and the reaction kettle is suitable for a laser velocity field instrument.

The utility model discloses a concave electromagnetic wire disc for cooking utensil, including disc body and the electromagnetic coil of winding in disc body surface, and electromagnetic coil includes bottom coil, side coil, and side coil and bottom coil are double -deck coil, and side coil includes the inner layer coil of winding in disc body surface, and the outer layer coil of winding in the outside of inner layer coil, and inner layer coil and outer layer coil are in the inner circle and / or outer circle staggered setting, and the extension height of inner layer coil is higher than outer layer coil in disc body lateral wall, to make the center circle position of inner layer coil higher than the center circle position of outer layer coil. The total heating ring area is the sum of the heating ring area of inner layer coil and the heating ring area of outer layer coil minus the area of overlapping part heating ring, significantly increases the total area of heating ring, and further increases the heating area to the pot, improves the heating uniformity to the pot.

The utility model discloses a cooking utensil, relates to cooking utensil technical field, the cooking utensil includes main part, electric heating device, electromagnetic heating device and control device, main part includes panel, panel upper side has heating area, electric heating device is provided in the main part, includes at least two heating part of zoning setting, electromagnetic heating device is provided in the main part, electromagnetic heating device is provided in the main part. The two heating parts comprise a first heating part and a second heating part, the electromagnetic heating device is arranged in the main body and comprises a first coil assembly arranged on the lower side of the electric heating device, and an electromagnetic field of the first coil assembly can penetrate through the electric heating device upwards so as to conduct electromagnetic heating on cookware arranged in the heating area; the control device is electrically connected with the electric heating device and the electromagnetic heating device so as to at least control the two heating parts of the electric heating device to work independently and control the electromagnetic heating device to work. Through the arrangement, the first coil assembly can be protected, and the heating power of the cooking utensil is improved.

The utility model relates to an atomization assembly and an atomization device. The atomization device comprises an atomization assembly, the atomization assembly comprises a support, two atomization modules and a conductive module, the support is provided with an atomization cavity, the side wall of the support is provided with a liquid discharging channel communicated with the atomization cavity, the two atomization modules are oppositely arranged in the atomization cavity, and each atomization module comprises a first sealing piece, an atomization core and a fixing element; the atomizing cores are arranged in the first sealing piece, the fixing element is wound around the first sealing piece and attached to the atomizing cores, and the conductive module is connected to the fixing element and used for being connected with a power source so that the two atomizing cores can be powered on and heat atomized liquid guided into the atomizing cores through the liquid discharging channels, and therefore the heating power of the atomizing assembly can be improved. And the smoke amount of single-mouth suction is increased. On the other hand, the atomization core can be firmly fixed and sealed in the first sealing piece through the fixing element, and therefore it can be guaranteed that atomized liquid guided into the atomization core can be fully atomized, and the large smoke amount and the good smoking taste are achieved.

The utility model discloses a low-noise heating kettle body and a heating device, the low-noise heating kettle body comprises an inner container, a heat transfer plate and a heating pipe, the inner container comprises a container body and a container bottom arranged at the bottom of the container body, and the container bottom is of a hemispherical structure with a plane bottom; the heat transfer plate is matched with the liner bottom in shape, and the heat transfer plate is arranged at the bottom of the liner bottom in a sleeved mode and completely attached to the bottom face of the liner bottom. The heating pipe is of an arc-shaped structure, and an arc surface is formed on the upper end face of the heating pipe and completely attached to the lower end face of the heat transfer plate. Wherein the liner bottom and the heat transfer plate are punched and formed together. Therefore, the liner bottom and the heat transfer plate are both arranged to be of a hemispherical structure and are attached to each other, so that the heat conduction area is increased, and the heat conduction efficiency is improved; meanwhile, the heating pipe is provided with the cambered surface and is tightly attached to the heat transfer plate, the heating area is larger, heating is uniform, higher heating power and lower working noise are further achieved, and the use experience of a user is greatly improved.

The invention relates to the field of batteries, in particular to an annealing process and annealing equipment for a battery film layer, and aims to solve the technical problem that temperature control is inaccurate or a battery light absorption layer is damaged when a large-size battery is annealed in the prior art. The annealing process of the battery film layer comprises the following steps: placing a battery piece, namely placing the battery piece to be annealed on an upper heat conducting plate of a mounting mechanism; the annealing and temperature control module respectively controls the contact type heat source modules to start; monitoring: an infrared thermal imaging temperature measurement module monitors the temperature of the whole area of the upper heat conduction plate and sends a temperature monitoring result to a temperature control module; and the temperature control module adjusts the heating power of the contact type heat source modules corresponding to different positions according to the temperature values of the different positions of the upper heat conduction plate. According to the process, the large-size battery is subjected to contact annealing, the problem that the material of the light absorption layer is decomposed due to excessive irradiation does not exist, the heating power of the contact heat source modules at different positions of the upper heat conduction plate is respectively controlled, and the temperature balance of the positions of the upper heat conduction plate is ensured.

The application discloses a power battery heating method, a power battery heating device and an electric vehicle. The maximum alternating current power that each driving unit can output under different target charge-discharge frequencies and corresponding vibration noise indexes are acquired, and the target charge-discharge frequency corresponding to the maximum sum of the maximum alternating current power of each driving unit when the vibration noise indexes are less than a preset threshold is determined as a frequency reference value. The alternating phase of the bus current of any one of the driving units is acquired, and the acquired alternating phase of the bus current is determined as a phase reference value. Then, the charge-discharge frequencies of the driving units are adjusted according to the frequency reference value, so that the charge-discharge frequencies of the driving units are consistent with the frequency reference value. The alternating phases of the bus currents of the driving units are adjusted according to the phase reference value, so that the alternating phases of the bus currents of the driving units are consistent with the phase reference value. The application aims to improve the heating efficiency of the multi-driving-unit power battery.

The present invention relates to the technical field of mixing and stirring, and specifically to a polypropylene mixing and stirring tank, comprising: a bracket, a top cover is slidably mounted on the upper end of the bracket, a tank body is fixedly mounted on the inner bottom end of the bracket, the top cover is airtightly slidably connected to the upper end of the tank body, a material discharge cover is slidably mounted on the lower end surface of the bracket, and a material discharge barrel is fixedly mounted on the upper end surface of the top cover. The present invention sets a detection element, and in the process of stirring the upper, middle and lower layers of the material in the tank body by the stirring blade, the viscosity of the material will hinder the rotation of the stirring blade, thereby driving the stirring blade and the rotating ring to rotate on the connecting ring, and in the process of the rotating ring rotating, the rotating ring will drive the detection rod to rotate at the detection end of the detection element, so that the detection element detects that when the transmission rod is rotating, the rotating ring rotates on the connecting ring due to the excessive viscosity of the material, thereby determining that the viscosity of the material is too high.