18results about How to "Improve temperature consistency" patented technology

This utility model discloses an electric heating forced-air drying oven, relating to the technical field of drying ovens. The electric heating forced-air drying oven includes an outer shell and a controller on one side. An exhaust port is provided at the upper end of the outer shell, and cavities are provided on both sides of the outer shell. Mounting holes are provided on the side walls of the cavities, and an air outlet plate (first and second) is rotatably mounted in each of the two mounting holes. The first and second air outlet plates are connected by an air duct, and the air inlet of the air duct is connected to the air outlet of a heating pipe. The air inlet of the heating pipe is connected to the air outlet of a blower. This utility model, through the rotating air outlet plates and the staggered air outlet design, achieves uniform airflow distribution inside the drying oven, effectively improving temperature consistency and drying efficiency.

This utility model discloses a cooling device for an electrically heated lithium battery material tunnel kiln, belonging to the field of tunnel kiln cooling technology. It includes a frame, an insulation layer, a track, multiple saggers, and a kiln car. The insulation layer is disposed on the inner wall of the frame. The track is disposed at the bottom of the frame along the length of the tunnel kiln. The kiln car is rotatably connected to the track. The multiple saggers are spaced apart on the kiln car. It also includes cooling pipes, a liquid supply pipe, a liquid discharge pipe, a liquid cooling station, and a circulation tower. The end of the cooling pipe is connected to the top of the frame and extends into the gap between the multiple saggers. Both ends of the liquid supply pipe are connected to one end of the cooling pipe and the liquid cooling station, respectively. Both ends of the liquid discharge pipe are connected to the other end of the cooling pipe and the circulation tower, respectively. The cooling pipes can be evenly distributed on both sides of the saggers, ensuring uniform material cooling and high consistency in material forming.

The application discloses a thermal control structure, which comprises a low-precision heater in direct contact with a heating object, a heater substrate fixed to the other side of the low-precision heater, a high-precision heater fixed to the other side of the heater substrate, a temperature control boundary body fixed to the other side of the high-precision heater, and a plurality of temperature testing components fixed to the other side of the temperature control boundary body. The thermal control structure can make the temperature measuring boundary have higher temperature consistency, reduce the requirement for a temperature control algorithm, reduce the difficulty in realizing the constant-temperature boundary, and reduce the number of temperature sensors and the manufacturing cost. The application also discloses a thermal control method, which has the same advantages.

The application provides an oil cooling flat wire motor heat dissipation structure and motor. The heat dissipation structure is provided with oil injection ports on the side close to the stator winding. There are at least two groups of oil injection ports, and the multiple groups of oil injection ports are arranged along the axial direction of the stator winding. In the multiple groups of oil injection ports, at least one group of oil injection ports corresponds to the position of the end part of the stator winding, and at least one group of oil injection ports corresponds to the position of the end part of the stator winding close to the stator core. The cooling medium is sprayed to the position of the end part of the stator winding and the end part of the stator winding close to the stator core, so that the cooling medium flows along the direction from the end part of the stator winding to the stator core and the direction from the position of the end part of the stator winding close to the stator core to the end part of the stator winding, and flows through the inner layer of the stator winding. The beneficial effect of the application is that, under the influence of the shape of the stator winding and the gravity of the cooling medium, the cooling medium changes from random flow to directional flow, the contact area of the cooling medium and the stator winding is increased, and the heat dissipation performance of the motor is improved.

The present application provides a battery pack, comprising: a housing having a sealed housing inner cavity, the housing inner cavity having a cavity top and a cavity bottom; the battery cell group module is arranged in the inner cavity of the shell, and the battery cell group module comprises a connecting beam, two side plates and a plurality of battery cell stacking bodies; the plurality of battery cell stacking bodies are arranged along a first direction, and each battery cell stacking body comprises a plurality of battery cells stacked along a second direction; the connecting beams are at least arranged between two adjacent battery cell stacking bodies; the two side plates are located on the two sides, distributed in the second direction, of the battery cell stacking body, and the two side plates are connected through the connecting beam and clamp and fix the battery cell stacking body; a first flow gap is formed between the cell stack and the cavity top, a second flow gap is formed between the connecting beam and the cavity bottom, and the first flow gap and the second flow gap form a continuous snake-shaped flow channel for a heat exchange medium to flow along a first direction. According to the battery pack provided by the invention, the connecting beam can play a role in guiding the heat exchange medium flowing in the inner cavity of the shell, so that the heat exchange efficiency of the battery pack can be improved.

This invention discloses a multi-temperature linkage temperature-controlled aluminum nitride heater and its preparation method, belonging to the field of semiconductor ceramic technology. The heater includes an aluminum nitride ceramic substrate and a supporting base. A double-layer heating electrode is stacked on the ceramic substrate, wherein the second heating electrode layer adopts a zoned conductive circuit, dividing the temperature zones from the inside out into a center, inner ring, and outer ring. The inner and outer rings can be further subdivided into multiple independent sector-shaped zones and powered independently. A ceramic thermal resistor is built into the bottom of each temperature zone, insulated from the circuit, and works in conjunction with a PID controller to achieve zoned closed-loop temperature control. This invention solves the problems of poor temperature uniformity, localized overheating, and external temperature measurement lag in single-layer heating by using a double-layer heating synergy and a built-in temperature measurement structure, significantly improving temperature control accuracy and temperature uniformity. Simultaneously, a special aluminum nitride-based solder is used to connect the substrate and the base, resulting in good thermal expansion matching, high interface strength, excellent airtightness, and the ability to withstand high temperatures and thermal cycling shocks, adapting to the requirements of high-end semiconductor processes.

The application discloses a fuel cell polar plate and a fuel cell, and relates to the technical field of batteries. The fuel cell polar plate comprises a polar plate body, a cooling medium inlet and a cooling medium outlet arranged along the length direction of the polar plate body, a distribution flow channel located between the cooling medium inlet and a main heat exchange flow channel, and the main heat exchange flow channel located between the cooling medium outlet and the distribution flow channel. A turbulence part is arranged in the distribution flow channel, and the turbulence part comprises a plurality of first turbulence structures. Two adjacent first turbulence structures are spaced apart. The distribution flow channel and the main heat exchange flow channel are formed in the polar plate body, and the turbulence part is arranged in the distribution flow channel, so that the turbulence part can guide and disturb the cooling medium, which is beneficial to improving the uniformity of the distribution of the cooling medium in the polar plate body, thereby improving the temperature consistency of different positions of the fuel cell. Moreover, the disturbed cooling medium can fully flow in the polar plate body, which is beneficial to the sufficient heat exchange of the cooling medium, and further improves the cooling effect of the fuel cell.

This invention belongs to the field of thermal management technology for power batteries in new energy vehicles, and relates to a single-motor linked active phase change lithium battery full-temperature-range thermal management system, comprising: a composite phase change material, a thermally conductive aluminum rod, a cooling fan, and a bidirectional drive motor; the composite phase change material is attached to the surface of the lithium-ion battery, and the cooling fan's heat dissipation direction is towards the lithium-ion battery; the thermally conductive aluminum rod is inserted into the composite phase change material, and the bidirectional drive motor is poweredly connected to the cooling fan and the thermally conductive aluminum rod respectively; the composite phase change material is composed of the following components in parts by weight, which are then impregnated in foamed graphite with a porosity of 78% to 82%: polyethylene glycol 1.6 to 2.0 parts, calcium chloride 8.7 to 9.1 parts, and calcium chloride hexahydrate 88 to 9 parts; this invention integrates high-temperature heat dissipation and low-temperature active heating modules using a unidirectional clutch structure, transforming passive heat storage into active intelligent thermal management, effectively reducing the system volume, and achieving efficient and safe thermal management of the battery across the entire temperature range.

This invention provides a surface adaptive lifting method, relating to the field of workpiece heat treatment technology, comprising: S1, determining model parameters; S2, creating a geometric model and meshing; S3, establishing a coordinate system within the meshed geometric model set; S4, dividing the tooth surface of a large-module rack into three parts and continuously adjusting the sensor movement speed in each region to solve the dynamic temperature field distribution; and S5, using a tooth surface path adaptive speed regulation method to complete the heating process in the deceleration zone, transition zone, and acceleration zone. This invention cleverly utilizes a tooth surface path adaptive speed regulation method, enabling intelligent adjustment of the large-module rack's temperature consistency under varying sensor speeds, thus optimizing the traditional moving induction heating simulation method which suffers from difficult speed control and complex calculations.

This invention relates to the field of 3D printing technology, and in particular to a 3D printer with a fully enclosed infrared constant temperature cavity, including a printer body, a gantry set inside the printer body, and an extruder movably mounted on the gantry. The gantry has a built-in transmission system for driving the extruder to move laterally and longitudinally inside the printer body. A forming platform is provided at the bottom of the gantry, which is driven by the transmission system to move up and down. This invention realizes the reciprocating swing motion of the swing plate and swing ring through the swing heating component, so that the annular heating tube and the long strip heating tube can dynamically radiate the side area of ​​the forming platform in layers and at multiple angles. The fixed-point temperature compensation component is always accurately aligned with the extruded material to ensure the continuity and accuracy of temperature compensation, which significantly improves the printing quality and success rate. The turbulence temperature control component makes the infrared heat radiation continuously dispersed by the rotating turbulence plate and evenly cover all areas of the bottom of the forming platform.

The embodiment of the present application discloses a kind of energy storage system and the temperature control method of energy storage system. Energy storage system includes at least one battery cluster and control device, each battery cluster includes: multiple battery devices;Heat management pipeline is used to provide heat exchange medium to each battery device, heat management pipeline includes multiple valve devices and main pipeline and branch pipeline that are interconnected, each branch pipeline is connected in parallel between each other, each battery device is communicated with main pipeline via branch pipeline, respectively, valve device is configured for each branch pipeline, and valve device is used to control the flow of branch pipeline itself;Temperature detection device is used to detect the temperature of each battery device;Control device is configured to determine the temperature difference between the temperature of each battery device and the specified temperature according to the temperature of the detected battery device, and the opening of valve device is controlled based on the temperature difference, so that the temperature difference does not exceed the specified range. Thus the temperature consistency of each battery device in the battery cluster can be improved, which is beneficial to improve the service life of battery device.

This application relates to the field of energy storage, providing a winding device, winding method, battery cell, and apparatus for battery cell components. The winding device includes: multiple traction roller groups for conveying winding material to a winding mechanism, each traction roller group including multiple traction rollers, at least two of which are equipped with heating devices; a winding mechanism for winding the material to form a core; a hot pressing module for hot pressing and shaping the core; the winding device having a cavity, with the winding mechanism, hot pressing module, and multiple traction roller groups located within the cavity; and an ambient heating module for heating the cavity. The battery cell component winding device provided by this application can at least improve battery cell production efficiency.

The utility model relates to the technical field of electric core heating, specifically relates to a battery and electric equipment. In the battery, the positive pole and the negative pole of the electric core are connected with the heating film, and at least one of the positive pole and the heating film and the negative pole and the heating film is provided with an on-off power controller, the on-off power controller can control the heating film and the electric core to form a passage or a circuit based on the control signal of the battery management system, when the on-off power controller controls the heating film and the electric core to form a passage, the heating film can be electrified and heat the outer peripheral part of the electric core. Since each electric core can be electrified and heated by the corresponding heating film in each power supply unit, each electric core can be kept consistent with the temperature of other electric cores by the way of independent heating and warming, so as to avoid the temperature difference between different electric cores, and the temperature of all power supply units can be kept in the target range, so that the temperature consistency of the whole battery is kept well.

The utility model relates to an energy -conserving cloth setting box has the casing and heating assembly, in the casing is used for the setting chamber of waiting for the cloth through of passing, heating assembly includes the heating pipe made of magnetically conductive material, heating pipe inside has the heating chamber of air current passing, the electromagnetic heating coil is wound on the heating pipe, the setting chamber is provided with the air outlet component of installing and directly spraying the hot air current to the cloth of waiting for setting, electromagnetic heating coil passes through the heating pipe heating of changeable magnetic field, air current heating is hot air current from the heating chamber, hot air current passes pipeline and enters the setting chamber, heating assembly and air outlet component upper and lower parallel installation in the setting chamber, heating assembly connection pipeline end and air outlet component connection pipeline end homeward bound. The utility model has the beneficial effects that compared with prior art: high -efficient energy -conserving, temperature control accurate, heating is even, environmental protection clean, equipment life is long, equipment manufacturing cost is low.

A plurality of groups of electric cabinets are arranged in a cabin body of the low-energy-consumption air-cooled energy storage battery cabin, and each group of electric cabinets comprises a plurality of battery clusters; the structure of the battery cluster comprises a mounting cabinet, wherein a battery management module and a battery pack PACK are arranged in the mounting cabinet; each group of battery packs PACK comprises a plurality of single batteries which are stacked along the height direction; side air ducts are arranged on the two sides of an installation cabinet of the battery cluster respectively, and a plurality of first air outlet holes for blowing air to the side faces of the single batteries are formed in the side air ducts. A plurality of second air outlet holes are formed in the top of the mounting cabinet of the battery cluster; an air conditioner is arranged in the middle of each group of electric cabinets, and the air outlet end is communicated with the inlet of each side air duct through an air supply pipe; a plurality of air inlets are formed in the bottom of the cabin body, and a plurality of air outlets and cooling fans are arranged at the top; the air conditioner further comprises a control module and a temperature and humidity sensor, and the control module is connected with the battery management module, the temperature and humidity sensor, a controller of the air conditioner and the cooling fan through electric signals. According to the utility model, the energy consumption of the battery compartment is reduced.

The utility model relates to a kind of cooking device and its production line for fresh rice production line in the field of self-heating rice, including cooking mechanism, the cooking mechanism includes first chain type conveying component, cooking box and first steam delivery pipeline;The cooking box is rectangular box, the first steam delivery pipeline is arranged in the cooking box, the first chain type conveying component in the cooking box is in corrugated structure design, the lunch box in the first chain type conveying component is moved by corrugated route from front to back in the cooking box.The utility model is continuously set in corrugated structure in the cooking box by first chain type transmission component, so that lunch box moves up and down with cooking frame and simultaneously moves forward, steam in cooking box is more evenly distributed by stirring-like mode, the consistency of temperature from bottom to top is better, and cooking effect can be effectively improved.

The invention discloses a battery capacity grading method and a battery capacity grading system. The battery capacity grading method comprises the following steps: at least one pretreatment and at least one capacity grading treatment, wherein the pretreatment comprises the following steps: a to-be-treated cell is subjected to primary charging treatment and primary discharging treatment at a pretreatment rate, and the charging treatment time is the same as the discharging treatment time; and the temperature of the battery cell after at least one pretreatment is 40-55 DEG C. According to the battery capacity grading method, pretreatment is performed at least once before capacity grading treatment, so that the temperature of the battery cell is 40-55 DEG C, the interior of the battery cell is balanced and stable by increasing the internal temperature of the battery cell, the capacity recovery phenomenon of the battery cell is weakened, and the temperature consistency of the battery cell before capacity grading treatment is improved; the capacity consistency and the capacity grading processing accuracy of the battery cells during capacity grading processing can be improved, the reliability of the capacity grading processing result is high, and the matching of the battery cells can be indicated according to the capacity grading processing result.