1134 results about "Heating film" patented technology

The invention relates to the technical field of automobile cup holder temperature control methods, and discloses an automobile cup holder temperature regulation control method based on a microcontroller. According to the method, real-time temperature data and environment parameters of a target container are collected, and an initial temperature parameter set containing a container surface temperature distribution curve and an environment heat exchange coefficient sequence is generated; then, establishing a first adjusting model containing a mapping relation between surface temperature change and refrigeration power according to the container surface temperature distribution curve, and establishing a second adjusting model containing environment heat interference and a heating power compensation rule according to the environment heat exchange coefficient sequence; during cup stand temperature control, based on real-time temperature difference fluctuation and container material heat conduction characteristic data, a target model is activated to generate a dynamic power instruction, finally, the instruction is input into a semiconductor temperature control unit of the cup stand, and the current gradient of a refrigeration sheet or the voltage distribution of a heating film is adjusted. The temperature of the automobile cup holder can be accurately and intelligently adjusted, and the user experience and the comfort level of an automobile cabin are improved.

The invention belongs to the technical field of integrated circuit board manufacturing, and particularly relates to a pressing device for an integrated circuit board, which comprises a cabinet body and a protective cover arranged above the cabinet body, a lower pressing plate and an upper pressing plate which are used for pressing the integrated circuit board are mounted in the protective cover, the lower pressing plate is arranged in a square frame fixedly arranged on the top surface of the cabinet body, and the upper pressing plate is connected with a power driving unit arranged in the protective cover; a plurality of heat conduction parts are mounted on the corresponding surfaces of the upper pressing plate and the lower pressing plate in an array manner, and a graphene heating film is mounted in each heat conduction part; a cavity is formed in the upper pressing plate, multiple sets of pressure compensation mechanisms are installed in the cavity in an array mode, and each set of pressure compensation mechanism corresponds to each heat conduction part. According to the invention, stable and high-quality press-fit forming operation of the integrated circuit board can be carried out between the upper pressing plate and the lower pressing plate which independently control the temperature and uniformly apply pressure, so that the press-fit forming quality and the press-fit forming yield of the integrated circuit board can be improved.

The invention discloses an intelligent temperature control wind turbine generator blade electric heating deicing system and method, and belongs to the technical field of wind power generation. The system comprises an electric heating film arranged on a blade, a thermal infrared imager and a plurality of sensors, the electric heating film, the thermal infrared imager and the plurality of sensors are all connected with an intelligent control unit; the intelligent control unit is connected with an unmanned aerial vehicle carrying a laser radar and is used for regularly scanning ice layer distribution on the surface of the blade; and the electric heating film adopts zone control. The method comprises the following steps: acquiring environmental parameters and blade state monitoring data, and starting a deicing system; the method comprises the following steps: collecting deicing data from a deicing system in real time and preprocessing the deicing data to obtain preprocessed deicing data; establishing an intelligent temperature control model based on the environmental parameters and the blade state monitoring data; and inputting the pre-processed deicing data into an intelligent temperature control model, calculating to obtain dynamic adjustment data of the heating power, and transmitting the dynamic adjustment data to a deicing system for deicing.

The invention discloses an energy-storage heat-conducting structural adhesive testing device and method, and belongs to the technical field of material thermal performance test.The energy-storage heat-conducting structural adhesive testing device comprises a bearing plate arranged on a pipeline stand column and a plurality of testing sets located on the bearing plate, and each testing set comprises a master control box, a pressure sensing assembly, a heating assembly and a guiding assembly; the pressure sensing assembly can perform intelligent pressure control on a to-be-tested sample, heat-conducting property deviation under different pressures is eliminated, the heating assembly adopts a graphene heating film to realize an automatic frequency modulation function, so that the heating temperature is uniform and constant, and the guiding assembly comprises a pressing plate, a guiding column, an electromagnet and a strong magnet which are located above the heating assembly. According to the invention, axial and planar heat conduction performance tests can be carried out on the to-be-tested sample, simultaneous multi-station tests are also realized, the accuracy of comparison tests under the same working condition is ensured, and the test precision and the working stability of the heat conduction performance of the to-be-tested sample are improved.

The invention discloses a graphene heating system for an automobile rearview mirror and a heating method of the graphene heating system, and belongs to the technical field of automobile accessories. The system comprises an acquisition unit, a control unit, a graphene heating film and a positioning film, the graphene heating film is fixed on a mirror surface of a rearview mirror lens, the positioning film is attached to the graphene heating film, and the control unit is arranged on the back surface of the lens and connected with other components. A plurality of independently controlled heating areas are arranged on the graphene heating film, corresponding positioning areas are arranged on the positioning film, and the positioning areas and the heating areas with the same serial number are overlapped in position. The system judges whether the rearview mirror meets the fogging condition or not by collecting information such as environment temperature and humidity, weather and position, can accurately position the fogging area, and pertinently controls the corresponding heating area to conduct heating and defogging. According to the invention, accurate identification and directional heating of the fogging area of the rearview mirror are realized, the demisting efficiency is improved, and the energy consumption is reduced.

The invention discloses a radar-wave-transparent light-emitting vehicle logo lamp, and relates to the field of vehicle lamps. The radar-wave-transparent light-emitting vehicle logo lamp comprises a base, an outer face cover connected to the top of the base, a circuit board fixed between the base and the outer face cover, a light guide plate fixed between the circuit board and the outer face cover and a heating film connected to the surface of the side, away from the base, of the outer face cover. The middle of the base protrudes upwards to form a radar wave-transparent area and a containing groove located in the bottom face of the radar wave-transparent area, and the containing groove is used for containing a millimeter wave radar sensor for emitting radar. The circuit board is provided with a first opening for a radar wave-transparent area to pass through and a plurality of LED lamps arranged at intervals in the circumferential direction. The top face and the bottom face of the light guide plate are attached to the outer face cover and the radar wave-transparent area respectively, and the surface of the side, away from the base, of the light guide plate is provided with a vehicle logo. According to the light-emitting vehicle logo lamp capable of transmitting the radar waves, the radar waves can pass through the light-emitting vehicle logo lamp for detection while the vehicle logo identification is lightened, the influence on radar wave detection is reduced to the maximum extent, and meanwhile the radar wave detection effect can be prevented from being influenced by ice and snow.

The invention provides a battery heating control method and system and a vehicle, relates to the technical field of vehicle control, and is used for solving the problem of non-uniform temperature of battery modules in the related art. The method comprises a plurality of battery modules, a plurality of heating films arranged at the bottoms of the battery modules, a plurality of heating control loops and a battery management module; the heating control loop is used for controlling the heating film to heat the battery module; the battery management module is used for determining a battery module to be subjected to temperature regulation based on the temperature distribution condition of the plurality of battery modules, and the battery module to be subjected to temperature regulation comprises one or more battery modules; and the control module is also used for controlling the target heating control loop to adjust the output power of a target heating film corresponding to the battery module to be subjected to temperature adjustment, and the target heating control loop is a heating control loop corresponding to the target heating film, so that the temperature distribution of the battery module can be more uniform through the technical scheme.

The utility model provides a heat management device and battery pack, the heat management device includes at least one support member and at least one heating film, each support member is suitable for cooling the corresponding battery cell row, each heating film is suitable for heating the corresponding battery cell row, each heating film is connected to the corresponding support member, the shape of the heating film is matched with the shape of the support member, and the shape of the heating film is matched with the shape of the support member. Therefore, the heating film can be stably attached to the coiled pipe.

The utility model discloses a battery and relates to the technical field of energy storage equipment, the battery comprises a battery cell and a heating film attached to one side of the battery cell, one end of the heating film is provided with a bending lug, the bending lug is connected with a temperature protector, and the temperature protector is attached to one side, far away from the heating film, of the battery cell; the temperature protector controls the heating state of the heating film. The bending lugs are arranged, so that the structure is simpler and more compact, the improvement cost is reduced, the temperature protector can be tightly attached to the battery core on the premise of being far away from the heating film, the influence of the heating temperature of the heating film on the temperature protector is reduced, and the control precision and the reliability of the temperature protector are improved. In addition, when the heating film heats the battery cell to the set temperature, the temperature protector is disconnected, and the heating film stops heating, so that the risk of failure of the battery cell caused by too high temperature is prevented, the failure rate can be reduced, and the reliability of the battery is improved. Therefore, the battery designed by the utility model can simultaneously meet the improvement requirements of high reliability and low cost.

The utility model relates to the technical field of batteries, and discloses a heating film assembly and a battery pack, the heating film assembly is used for heating a battery unit comprising a plurality of batteries arranged in sequence, and the heating film assembly comprises a film body, a heating wire and a memory alloy skeleton. The membrane body comprises two membrane sheets, and the two membrane sheets are attached to each other. And the heating wire is arranged between the two membranes. The memory alloy framework is fixedly arranged between the two membranes, the memory alloy framework is suitable for generating deformation under the condition of heating, and the deformation can enable the membrane body to tend to be attached to the battery unit. The memory alloy framework can be straightened again through high temperature generated by dry burning, so that the heating area separated from the battery is tightly attached to the side face of the battery under the action of pulling force, the effects of reducing the dry burning temperature and preventing dry burning are achieved, and dry burning caused by failure of an adhesive layer is avoided.

The invention discloses a fan blade detecting and deicing system and method. The fan blade detecting and deicing system comprises a detecting unit, a deicing unit and a control unit. The detection unit comprises an icing detection assembly, an icing thickness detector and a temperature sensor are arranged in the icing detection assembly, the icing thickness detector detects icing thickness data of the blade surface in real time, and the temperature sensor detects temperature data of the fan blade surface in real time; the deicing unit comprises an electric heating film which is at least laid on the front edge of the blade in the length direction of the blade. And the control unit comprehensively analyzes the icing thickness and temperature change condition corresponding to the whole blade according to the icing thickness data and temperature data of the blade surface, and independently triggers and controls the heating state of each blade deicing unit based on the comprehensive analysis result. According to the fan blade detecting and deicing system and method, the precise monitoring function, the intelligent deicing strategy and stable and safe operation are integrated, and the wide application and popularization value is achieved.

The invention discloses an electrolytic bath thermal management temperature control cover body which comprises a heat preservation cover body of a multi-layer composite structure, the surface of an electrolytic bath is wrapped by the heat preservation cover body, the heat preservation cover body at least comprises an outer layer, a middle layer and an inner layer, the outer layer is a solid cover shell, the middle layer is a heat insulation filling layer, and the inner layer is an attached heat preservation layer; and a multi-point array covered temperature monitoring mechanism for monitoring the temperature of the electrolytic cell is arranged in the heat preservation cover body. The thermal management temperature control cover body of the electrolytic bath adopts a multi-layer composite structure, the outer layer is corrosion-resistant, the middle layer is low in heat conduction, the inner layer is attached for heat preservation, and the heat loss rate is reduced to be below 5%. And a multi-point array temperature monitoring mechanism is arranged, so that the temperature change can be accurately sensed. The modular design supports disassembly and assembly by a single person within 30 minutes, and maintenance is convenient. The carbon fiber heating film, the electric shutter and the air gap adjusting technology are combined, dynamic temperature control and efficient energy saving are achieved, and the device is suitable for complex working conditions of green hydrogen preparation.

The embodiment of the invention provides a fan blade electric heating deicing control method, device and system. The method comprises the steps that when the blade is coated with ice, electric heating films in all heating areas are started for heating, the electric heating films are laid on the surface of the blade and comprise the multiple independent heating areas, and each heating area comprises high-power heating films located on the periphery and a low-power heating film located in the center; the high-power heating film and the low-power heating film of each heating area can be independently controlled; the ice layer falling state of each heating area is judged through monitoring equipment every preset time, at least one piece of monitoring equipment is arranged at the position, close to a blade, of a fan tower barrel, and the monitoring equipment has the laser fog penetrating and lens heating functions and is used for monitoring the blade icing state; and the heating power of the corresponding heating film is adjusted according to the ice layer falling state of each heating area.

The invention relates to the technical field of magnetic therapy mattresses, and discloses a rare earth permanent magnet-graphene composite antibacterial intelligent temperature control magnetic therapy mattress, which comprises a bottom supporting substrate, a magnetic therapy mattress assembly is arranged on the bottom supporting substrate, and the magnetic therapy mattress assembly comprises a supporting buffer layer, a magnet mounting layer, a mesh coating and an antibacterial surface layer. The supporting buffer layer is fixedly connected to the upper surface of the bottom supporting substrate, the supporting buffer layer is graphene modified memory sponge, and the magnet mounting layer is bonded to the upper surface of the supporting buffer layer through full-area thin glue; through the multifunctional collaborative design that the supporting buffer layer is matched with the human body, the rare earth permanent magnet provides a uniform magnetic field, the graphene heating film controls the temperature in a partitioned mode, the graphene fabric is resistant to bacteria, and the edge covering strips are fixed, the mattress meets the basic requirement for comfortable lying, and integrates the additional functions of magnetic therapy health care, intelligent temperature control, antibacterial cleaning and the like; the device is suitable for various scenes such as household daily use and rehabilitation assistance.

The invention belongs to the technical field of electric heating deicing, and particularly relates to a surface heating electric heating film and a preparation method thereof. Comprising an outer surface insulating layer, a heating layer, a power supply electrode and an inner surface insulating layer, the heating layer is prepared from a carbon-based conductor composite polymeric material in a printing or coating mode, and the carbon-based conductor composite polymeric material is formed by mixing polyimide resin and carbon fibers (or one or more of graphene, carbon nanotubes and the like). The surface heating electric heating film provided by the invention has the characteristics of simple and reliable structure, light weight and surface heating performance, can be applied to ice prevention and removal operation of parts such as aircraft wings, empennages, propellers and the like, and has relatively high practical application value.

The application discloses a kind of AuNPs@ polyimide SERS heating chip preparation and application method, through interface self-assembly technology preparation large-scale AuNPs array film, and transfer to the polyimide film with heating system, form AuNPs@ polyimide heating film as APHC for SERS chip, in situ heat enrichment is carried out to TNT molecule by APHC, and sample can be effectively collected from mixed system by simple operation.This flexible, heatable SERS chip has great significance for efficient, sensitive and in-situ detection of target molecules in complex environmental systems.

This invention proposes a micro / nano-scale imprinting FPC solder resist layer forming device, relating to the field of circuit board solder resist layer forming technology. It includes a forming base with a limiting base mounted on it. An imprinting head is positioned directly above the limiting base and driven by a servo electric cylinder. The limiting base has a groove, within which a rigid base is installed. A vacuum adsorption assembly is mounted inside the forming base, and a forming placement cavity is located inside the rigid base. From top to bottom, a PI thin film layer, a silicone layer, and a carbon fiber heating film layer are sequentially arranged at the bottom of the forming placement cavity. Micro / nano patterns are etched on the imprinting head, and a PDMS elastic layer is located at the lower end of the imprinting head. This invention, through the cooperation of the PI thin film layer, silicone layer, carbon fiber heating film layer, and microporous array, can adsorb, flatten, and preheat the FPC substrate before imprinting, fundamentally compensating for the deformation of the flexible substrate and providing a stable and flat reference plane for high-precision imprinting.

The invention discloses an operation body temperature intelligent management method based on multi-zone temperature dynamic regulation and control, which comprises the following steps: a patient lies on a nano flexible heating film, biosensors are mounted on the head, limbs and trunk, physiological indexes of heart rate, blood pressure and skin conductance are monitored in real time, and the association between the physiological indexes and body temperature fluctuation is analyzed through AI; a neural network prediction model is constructed, and a personalized body temperature threshold value is set in combination with body surface temperature distribution monitored by infrared thermal imaging; dynamically adjusting the temperature of the heating film according to the prediction result, analyzing the relationship between the body temperature change trend and the temperature of the heating film, and setting a temperature alarm threshold value per unit time for judging whether additional auxiliary equipment is needed to remind medical personnel or not; through multi-area temperature dynamic regulation and control, the problems that a monitoring method is lagged, regulation and control measures are lack of accuracy and individuation, and a comprehensive management system is lack in traditional operation body temperature management are solved, and the accuracy, effectiveness and safety of operation body temperature management are remarkably improved.

The invention discloses an optical coupler isolation-based inertial measurement device temperature control noise suppression method, which is characterized in that electrical isolation is added between a temperature control module and a power amplification circuit, and electromagnetic noise reflection of a power element is suppressed, so that low-frequency magnetic field noise in an SERF inertial measurement device alkali metal air chamber temperature control process is suppressed. Comprising the steps that a high-frequency heating signal isolation circuit is arranged in a temperature control system of the inertial measurement device, the high-frequency heating signal isolation circuit is an optocoupler isolation circuit, and an optocoupler input side containing a light-emitting diode in the optocoupler isolation circuit is connected with an input signal from a temperature control circuit through an input signal modulation circuit; the optocoupler output side, comprising a photodiode, in the optocoupler isolation circuit transmits an output signal to a power amplification circuit which drives a heating film through a high-frequency heating signal through an output signal demodulation circuit, and the optocoupler output side and the output signal demodulation circuit are both connected with a second power supply. The optocoupler input side and the input signal modulation circuit are connected with a first power supply.

The utility model belongs to the technical field of battery heat conductivity coefficient testing, and discloses a battery heat conductivity coefficient testing device which comprises a heating film and two liquid cooling plates. The heating film is used for being clamped between two batteries to be tested, a center thermocouple is arranged at the center of the heating film, and the center thermocouple can collect the temperature of the center of the heating film. The two to-be-tested batteries are clamped between the two liquid cooling plates, a plurality of preset point positions are respectively arranged on two outer side surfaces, which are opposite to each other, of the two to-be-tested batteries, a plurality of first thermocouples and a plurality of second thermocouples are respectively arranged on the two outer side surfaces, the plurality of first thermocouples can collect temperatures of the plurality of preset point positions on one to-be-tested battery, and the plurality of second thermocouples can collect temperatures of the plurality of preset point positions on the other to-be-tested battery. And the plurality of second thermocouples can collect the temperature of a plurality of preset point positions on another battery to be detected. The battery heat conductivity coefficient testing device can accurately and quickly measure the anisotropic heat conductivity coefficient of the battery to be tested.

The invention provides a multifunctional experimental system for simulating migration and transformation of micro-plastics in a landfill environment, comprising: a columnar migration device filled with a landfill soil medium, the bottom of which is provided with a liquid inlet interface and a gas-liquid interface, and the top of which is provided with a liquid outlet; the liquid inlet system is connected to the liquid inlet connector through a first peristaltic pump; the temperature control module comprises a flexible heating film arranged around the outer wall of the columnar migration device and a temperature controller, and the flexible heating film is connected with the temperature controller through a temperature control connector, an integrated heating element and a wire; the micro-nano bubble generating device comprises a CH4 gas cylinder, a pressure reducing valve and a micro-nano bubble generator which are connected in sequence, a micro-bubble aeration head is arranged on the micro-nano bubble generator, the micro-bubble aeration head is partially and directly immersed in a preset water body, a high-dispersity bubble water solution is generated under a gas-liquid interface, and the CH4 gas cylinder is used for generating CH4 gas. The gas is quantitatively conveyed to the bottom of the columnar migration device through a second peristaltic pump connected to the downstream, and the dissolution of the landfill gas in the pore water and the gas-liquid interface action are simulated.

The invention provides an electric heating film and a preparation method thereof, a battery unit, a battery pack and electric equipment. The electric heating film comprises a base material; the heating coating is arranged on one surface of the base material, the heating coating comprises at least one heating layer and at least one conducting layer, the heating layers and the conducting layers are alternately arranged, and the heating layers are made of MOSH semiconductor materials. The electric heating film can comprehensively, uniformly and quickly heat an object to be heated, can realize higher electric heating conversion efficiency, and further improves the heating efficiency of the electric heating film.

The invention relates to the technical field of graphene inspection, in particular to a graphene heating film inspection system, which comprises a pulse excitation and anomaly detection unit for applying pulse current excitation to a graphene heating film, synchronously acquiring acoustic emission signals and extracting abnormal coordinate points of which acoustic energy peak values exceed an abnormal threshold value; the fixed-point load and frequency shift monitoring unit is used for applying a continuous current load at the abnormal coordinate point, monitoring the sound emission main frequency migration volume in real time and generating a frequency shift rate curve; and the risk inspection unit is used for calculating a defect expansion risk level according to a critical time value corresponding to an inflection point in the frequency shift rate curve. According to the method, the defect expansion speed and the change trend thereof can be continuously tracked, a continuous quantitative index is provided for judging the defect stability and activation trend, and the interpretability and predictability of the micro evolution process are improved.

The utility model belongs to the technical field of heaters, and discloses a liquid heater water channel structure and a liquid heater, the liquid heater water channel structure comprises a shell, a plurality of vortex generators and a ski-jump plate, two throttling channels are respectively arranged at the water inlet end and the water outlet end of a main flow channel; the water inlet flow channel and the water outlet flow channel are communicated with the main flow channel through the corresponding throttling channels, the vortex generators are distributed in the main flow channel in a matrix mode, the ski-jump plate is arranged on the side, close to the throttling channels, of the water outlet end of the main flow channel, and liquid in the main flow channel forms strong turbulent flow under the action of the vortex generators. The continuous vortex structure enhances mixing of liquid in the main flow channel, reduces total heat resistance of heat exchange and improves heating efficiency of the heater, the heated liquid in the main flow channel flows through the ski-jump plate, bubbles of cooling liquid are not prone to being gathered at the water outlet end of the main flow channel, the exhaust effect is more obvious, the bubbles cannot be accumulated even if the liquid heater inclines, and the service life of the liquid heater is prolonged. And the problem of ablation of the heating film of the liquid heater is prevented.

The present application relates to a kind of CNT conductive heating film and its preparation method and application, belong to conductive heating film technical field.The present application is creatively first using ethylenediamine to the surface modification of amino of graphitized carbon nanotube that is pretreated with hydrochloric acid, to obtain component A, then with 1,2,7,8-diepoxyoctane as crosslinking agent, based on the bonding of epoxy group and amino, crosslinking carboxymethyl chitosan containing amino is coated to the surface of component A, form first coating, then add aniline as modifier, based on in-situ polymerization, build second coating, then obtain modified graphitized carbon nanotube, make it with organic resin polymer and other raw materials according to conventional preparation method can be prepared a kind of CNT conductive heating film, well solve the agglomeration of graphitized carbon nanotube, dispersibility problem, heating performance is excellent, very suitable for application in warm product.

The utility model belongs to the technical field of graphene flexible heating pads, and particularly relates to a graphene flexible heating pad capable of conducting heat through superposition, which comprises a heating pad main body, the heating pad main body comprises a heating layer, a heat preservation layer is arranged on the lower end face of the heating layer, and a bottom layer is arranged on the lower end face of the heat preservation layer. Rapid heating can be carried out; a gap between the first heating film and the second heating film is filled through the first heat-conducting silica gel sheet, so that heat transfer between the first heating film and the second heating film is realized, the heating speed is increased, and the heating effect is improved; heat of the second heating film is conducted upwards through the second heat conduction silica gel sheet, heating use is facilitated, good heat insulation and heat preservation effects are achieved, heat loss is reduced, the heating effect is further improved, the strength is high, the wear-resisting effect is improved, and protection is achieved from the surface; and the buffer layer is made of heat-resistant sponge, is relatively soft and has good buffer performance, so that the comfort level is improved.

The embodiment of the utility model discloses a battery device and a power utilization device, and the battery device comprises a box body which is internally provided with a containing space and is provided with a bottom plate; the structural beam is arranged in the containing space, and an avoiding space is formed by the structural beam; the plurality of battery cells are arranged in the accommodating space; a heating film disposed between the bottom plate and the plurality of battery cells; the connecting wire harness is electrically connected with the heating film, and at least part of the connecting wire harness is contained in the avoiding space. According to the battery device provided by the embodiment of the invention, by arranging the avoiding space, the length required by the connecting wire harness is reduced, and meanwhile, the exposed area of the connecting wire harness at the bottom of the battery monomers can be reduced, so that the bottom space of the plurality of battery monomers occupied by the connecting wire harness can be reduced; the bonding area of the bottoms of the battery monomers and the heating film or the bottom plate is effectively increased, so that the mounting stability of the battery monomers can be improved, and the risk that the battery device is damaged due to vibration impact is reduced.

The invention relates to the technical field of battery packs, in particular to a battery pack heat preservation and heating control method, device and equipment and a medium. The bag-shaped heat preservation heating sleeve with the heat insulation layer is arranged outside the battery pack to control the temperature; the method comprises the following steps: firstly, acquiring temperature data of each region by using a temperature sensor to analyze and evaluate a temperature state, identifying a temperature abnormal region, performing directional heating analysis, and generating heating control parameters; then, according to the parameters, the heating power of the local area is adjusted, a control signal is sent to a controller, and the output power of the heating film in each area is adjusted; the battery pack can be flexibly installed after leaving a factory, the temperature control effect is improved through the heat insulation effect of the heat preservation heating sleeve and accurate partition control, the battery can be kept at the proper charging and discharging temperature, the effective discharging rate of the battery is improved, and the original battery pack structure does not need to be changed.

The utility model discloses a heating membrane laminating device. Comprising a machine frame, a belt conveyor installed on the machine frame, a pair of U-shaped supporting plates fixed to the machine frame, a pair of sliding blocks arranged in the middles of the two U-shaped supporting plates in a sliding mode respectively, a pair of air cylinders driving the two sliding blocks to slide respectively, a hot pressing roller with the two ends penetrating through the two sliding blocks in a rotating mode respectively, and a first motor driving the hot pressing roller to rotate. The two ends of the tensioning roller are rotationally connected with the two U-shaped supporting plates correspondingly, one end of the unwinding roller is rotationally connected with one U-shaped supporting plate, the rectangular supporting plates are fixed to the fixed rack, the two ends of the rotating shafts penetrate through the two rectangular supporting plates in a rotating mode correspondingly, the second motor drives one rotating shaft to rotate, and the two pairs of belt wheels are arranged on the two rotating shafts in a sleeving mode correspondingly. The two pairs of belt wheels are sleeved with the two belts respectively, and the dust collection assembly is arranged at the tops of the two rectangular supporting plates. The heating film laminating machine has the advantages of being capable of automatically cleaning the surface of the heating film and safely laminating the heating film and the packaging film.

The utility model discloses a low-speed vehicle battery pack which comprises a box cover and a box body matched with the box cover, one side of the top end of the box cover is provided with an open groove, a wire outlet is formed in the open groove, and the open groove is provided with a pole cover plate used for protecting the wire outlet; a heating film is arranged at the bottom end in the box body, a battery cell is arranged at the top end of the heating film, an upper bracket is mounted at the top end of the battery cell, and a palladium sheet is arranged on the surface of the upper bracket; a protection plate is arranged in the box body; a vertically upward protrusion is arranged on a frame at the top end of the box body and connected with a frame at the bottom end of the box cover in an inserted mode. The beneficial effects of the utility model are that the pole cover plate uses the flip design, which not only reserves a wire outlet, but also ensures that the outer surfaces of the positive and negative poles are insulated and the assembly is simple and convenient; the lower bracket is combined with the box body, so that materials are saved, and the process is simplified; the protection plate is fixed, and a traditional adhesive tape winding or screw fastening mode is abandoned; fixing is carried out in a mode that the inserting grooves of the box body and the inner protruding plates of the box cover are tightly pressed, and materials are saved.