2942 results about "Heating effect" patented technology

The invention belongs to the technical field of heating devices, and discloses a thick film heater adopting an indirect heat dissipation technology, which comprises a main shell and a film heating plate, the film heating plate is connected with a radiator, the radiator is connected with heat dissipation fins, the inner side of a heating cavity is connected with a sealing element, and the main shell is connected with a water inlet pipe and a water outlet pipe. A heat dissipation water channel is defined by the heat dissipation device, the heat dissipation fins and the water closing plate, the main shell is connected with a PCBA circuit control board, and the main shell is connected with a low-voltage connector and a high-voltage connector. According to the technical scheme, due to the arrangement of the radiator and other structures, the situation that the radiating fins are directly welded to the heating plate to cause deformation of the heating plate to affect the heating effect or insulation faults is avoided, the radiator and the radiating fins are integrally die-cast, the heat exchange area is greatly increased, the heat exchange coefficient is increased, the heater cannot be locally overheated, and the service life of the heater is prolonged. The tolerance robustness of bubbles existing in a whole vehicle cooling liquid system is enhanced, and the use stability of the heater is greatly improved.

The invention relates to the technical field of wafer test equipment, in particular to a heating aging test tool which comprises a storage rack and further comprises a wafer clamp placed on the storage rack. The detection assembly comprises a plurality of elastic probes located on one side of the storage rack and a heating disc; and the hot air guide assembly comprises a ventilation male head arranged on one side of the heating disc, an air guide pipe is arranged on the side, away from the ventilation male head, of the heat conduction cover, the air amount in the cavity is gradually decreased from near to far away from the air guide pipe, and the air flow speed is gradually decreased. A hot air flow guide assembly is arranged on a conveying frame, heat of a heating disc is guided to the position above a wafer through airflow through a heat conduction cover, the space above the wafer is divided into a plurality of cavities, the space size and the space shape of each cavity are set, the air flow speed and the contained hot air amount of each space are adjusted, and therefore the heat conduction efficiency of the wafer is improved. The influence of heat loss in the air flow process is reduced, so that the heating effects of all parts of the wafer are similar, and the detection effect is improved.

The invention relates to the technical field of heat pumps, and discloses a heat pump heating and cooling system adopting phase change energy storage, which comprises an air source heat pump, a phase change energy storage device and a heating and cooling terminal device, the phase change energy storage device comprises two phase change energy storage modules which are arranged in parallel; the refrigerant circulation pipeline is provided with a pressure protection assembly. The system further comprises a defrosting control module, and the defrosting control module is in signal connection with an evaporator frosting sensor of the air source heat pump and an energy storage capacity monitoring unit of the phase change energy storage device. Two modules of the phase change energy storage device adopt gradient temperature configuration and are matched with a multi-channel switching valve, the working state can be flexibly adjusted according to the environment and load requirements, and efficient energy storage and energy release are achieved. During defrosting, the low-temperature module responds preferentially, and the heat supply effect is guaranteed; and the pressure protection assembly monitors the pipeline pressure in real time and releases pressure and slowly releases the refrigerant in time when abnormity occurs, so that the safety and stability of the system are ensured.

The invention provides a double-compressor control system, which relates to the technical field of compressor control and comprises a start control module, a control module and a control module, the operation monitoring and regulating module is used for monitoring operation parameters, suction pressure, exhaust pressure, oil temperature, rotating speed, refrigerant temperature and refrigerant flow of the double-compressor system in real time; through reasonable starting control sequence and time interval setting, current impact during starting of the double compressors is effectively reduced, compressor motors and a power grid are protected, the service life of the compressors is prolonged, the reliability of system starting is improved, and by monitoring system operation parameters in real time and using an accurate control algorithm for regulation and control, the system starting reliability is improved. The running state of the compressor can be adjusted in time according to the actual working condition, the running efficiency of the system is improved, energy consumption is reduced, and meanwhile the stability and reliability of the refrigerating and heating effects of the system are guaranteed.

The invention provides vehicle window glass, a vehicle window assembly and a vehicle. The vehicle window glass comprises an information acquisition area; the vehicle window glass further comprises a first glass plate, a second glass plate and a middle layer clamped between the first glass plate and the second glass plate. The vehicle window glass further comprises a first heating element and a second heating element, and the first heating element and the second heating element are both located in the information collection area in the thickness direction of the vehicle window glass. The first heating element is arranged between the first glass plate and the second glass plate, and the second heating element is arranged on the side, back to the middle layer, of the second glass plate. According to the technical scheme provided by the invention, the heating effect of the information acquisition area can be improved, and demisting, defrosting and ice and snow removal can be carried out in time.

The invention discloses an anti-blocking peek extruder, and belongs to the technical field of plastic processing, the anti-blocking peek extruder comprises an extrusion cylinder, a main shaft and a driving mechanism, the right side of the extrusion cylinder is provided with an extrusion nozzle, the left side of the extrusion cylinder is provided with a linkage mechanism, and the extrusion cylinder is internally provided with a centrifugal mechanism and an electromagnetic heating mechanism. Through the synergistic effect of the linkage mechanism and the driving mechanism, dynamic sensing and self-adaptive adjustment of resistance in the extrusion process are achieved, the technical problem that a high-viscosity PEEK material is prone to blockage is effectively solved, the driving mechanism transmits power through meshing of a limiting groove and a limiting strip, heating power is automatically triggered to be increased when the resistance is increased, and the heating efficiency is improved. The melt flowability is ensured; the electromagnetic heating mechanism generates eddy current heating through relative movement of a permanent magnet and a coil, and the heating effect during high-speed extrusion is remarkably improved; the homogenizing mechanism monitors the material compaction degree in real time through a pressure sensor, the feeding speed is intelligently adjusted, and hollowing or overpressure blockage is avoided.

The invention discloses a muting control method and device for multi-split equipment, the multi-split equipment and a storage medium, and relates to the technical field of multi-split equipment control. In response to a muting control instruction, the current operation mode of the multi-split equipment, water temperature data of a water tank of a heat recovery unit and the current outdoor environment temperature are obtained; determining a target temperature interval where the current outdoor environment temperature is located based on the current operation mode and the current outdoor environment temperature; and at least one of a heat recovery unit water tank, an outdoor unit and a compressor is controlled according to at least one of the water temperature data, the current operation mode and the target temperature interval, so that mute control over the multi-split equipment is achieved. By controlling at least one of the water tank of the heat recovery unit, the outdoor unit, the fan rotating speed of the outdoor unit and the compressor, the problem of neighborhood complaints caused by noise of the outdoor unit of the heat recovery air conditioner is effectively solved, and the user experience and the refrigerating and heating effect are improved on the premise that it is guaranteed that the noise of the outdoor unit does not disturb residents.

The invention provides an air conditioner control method and device and an air conditioner. The control method comprises the steps that a signal for controlling the air conditioner to execute a direct blowing prevention mode is received, and the positions of indoor personnel in the indoor environment are obtained; according to the positions of the indoor people, all air outlet areas are divided into direct blowing prevention areas and normal air outlet areas, and the direct blowing prevention areas correspond to the positions of the indoor people; and the air outlet direction of the direct blowing prevention area is controlled to avoid the indoor personnel to achieve direct blowing prevention, and the air outlet state of the normal air outlet area is controlled according to the refrigeration requirement or the heating requirement of the air conditioner. According to the control method and device of the air conditioner and the air conditioner, it is guaranteed that the refrigerating effect and the heating effect of the air conditioner are not affected while the direct blowing prevention requirement of a user is met, that is, the direct blowing prevention requirement and the heating / cooling requirement of the user are met at the same time, the use experience of the user is greatly improved, and the indoor comfort level is guaranteed.

The invention provides a device and a method for removing MIBK (methyl isobutyl ketone) in raffinate for extracting and separating zirconium and hafnium, the device comprises a tank body, a liquid distribution ring is fixedly connected in the tank body, one side of the liquid distribution ring penetrates through the tank body and is outwards communicated with a feeding pipe, a plurality of spray heads are arranged below the liquid distribution ring in a penetrating manner, the outer end of the tank body is fixedly connected with a bracket, and the bracket is fixedly connected with a rotating shaft. According to the device, raffinate can be quickly conveyed into the tank body by arranging a liquid distribution ring and a spray head, rotation of a rotating shaft and a rotating plate can be completed in cooperation with a gear assembly, the fallen raffinate is scattered, it is ensured that the raffinate can uniformly fall on a steam heating pipe, and the raffinate is uniformly heated; meanwhile, the contact area of the gas phase and the liquid phase can be increased in cooperation with the condensation assembly, the phase splitting barrel and the grid plate, the MIBK separation efficiency is improved, and the purpose of rapidly removing oil is achieved through the principle that the volatility is affected by factors such as liquid diffusion and temperature.

The invention provides an automobile air conditioner control method and device, a storage medium and an automobile air conditioner. The automobile air conditioner control method comprises the following steps of obtaining current environment temperature outside an automobile and current heating accumulation operation time of the air conditioner; and determining whether an air outlet and / or an airinlet of the air conditioner are covered with ice and snow or not according to the current environment temperature outside the automobile and the current heating accumulation operation time. The scheme provided by the invention can be used for solving the problem that due to the fact that the air outlet and / or the air inlet of the automobile air conditioner are covered with ice and snow, the problem that the heating effect of the air conditioner is reduced is solved.

The invention relates to the technical field of control or regulation, in particular to a fuzzy control method and device suitable for a PTC heating system and a medium, and the method comprises the steps: obtaining the historical temperature data of the PTC heating system, and determining each target heating task in the historical temperature data; determining a heat dissipation expected factor and a system medium loss coefficient of the target heating task by using the temperature data sequence in the target heating task; inputting the system medium loss coefficient as a fuzzy rule parameter into an inference engine of a fuzzy controller so as to output real-time heating power corresponding to the real-time temperature data; and performing heating control on the PTC heating system by using the real-time heating power. According to the method, the medium loss coefficient of the heating task is determined by comprehensively considering the heat dissipation path and the medium degradation factor, so that the heating power is accurately controlled, and the heating effect of the PTC heating system is remarkably improved.

The utility model relates to an adjustable steel belt pipe joint injection molding preheating device which comprises a support, a cylindrical barrel and a plurality of heating assemblies located in an inner cavity of the barrel, the support is connected with the barrel, the heating assemblies are circumferentially arranged at equal intervals with the axis of the barrel as the circle center, and each heating assembly comprises an adjusting part and a heating part. The adjusting part is used for adjusting the distance between the heating part and the side wall of the inner cavity of the barrel, one end of the adjusting part is fixedly connected with the barrel, and the other end is fixedly connected with the heating part. According to the heating device in the scheme, the position of the heating part in the cylinder can be adjusted through the adjusting part, so that the device can be suitable for preheating of more steel belt pipes with different sizes. When the device is used for preheating a steel belt pipe with a smaller pipe diameter, the heating part can be controlled to be close to the outer surface of the steel belt pipe through the adjusting part, so that excessive heat is prevented from being lost outwards along a gap between the steel belt pipe and the heating part, and the steel belt pipe with the smaller pipe diameter can have a good preheating effect.

The invention provides a semiconductor grade silicon dioxide vacuum sintering furnace which comprises a furnace body, a heating cavity is formed in the middle of the furnace body, and a rear door body is arranged at the first end of the furnace body; the material dragging trolley is arranged in the furnace body in a sliding mode, and a workpiece is placed on the material dragging trolley; the front door body is arranged on one side of the material dragging trolley, and when the material dragging trolley slides into the heating cavity, the front door body seals the second end of the furnace body; the device has the beneficial effects that through the arrangement of the pressing and rotating assembly, a workpiece on the material dragging trolley can be fixed from the two ends, it is ensured that the workpiece is always kept stable in the heating process, and the workpiece can be driven to rotate by the pressing and rotating assembly. In the heating process, the workpieces can be heated more uniformly through rotation of the workpieces, the heating effect and the product quality are improved, the workpieces can be automatically assembled and disassembled through arrangement of the material dragging trolley, the labor intensity of workers is reduced, and the working efficiency is improved.

The invention provides a heating device for wafer etching, and the device comprises a mounting seat, one side of the mounting seat is provided with a plurality of heating lamp rings, the plurality of heating lamp rings are coaxially arranged, and the inner diameters of the plurality of heating lamp rings are sequentially increased from inside to outside; the mounting seat comprises a base and a mounting plate, a containing cavity is defined between the base and the mounting plate, the heating lamp rings are assembled on the side, away from the containing cavity, of the mounting plate, an etching liquid path is arranged in the containing cavity, and a spray head of the etching liquid path penetrates out of the side, provided with the heating lamp rings, of the mounting plate to spray etching liquid to the surface of a wafer. The method is used for solving the problem that in the prior art, the inner side and the outer side of a wafer are inconsistent in heating effect, so that the wafer is heated unevenly, and then the etching effect of the wafer is affected.

The invention relates to a battery self-heating control method, a medium, a controller, a vehicle and a program product, and the battery self-heating control method comprises the steps: determining the target equivalent impedance of a battery and the target current frequency corresponding to the target equivalent impedance according to the current temperature and the current state of charge of the battery; obtaining a target current amplitude according to the target equivalent impedance and the current excitation voltage of the battery; and obtaining a target excitation current signal according to the target current frequency and the target current amplitude, and carrying out self-heating on the battery through the target excitation current signal. The excitation current signal used for self-heating can be adjusted according to the state of the battery, frequency conversion and current conversion of the excitation current signal are achieved, and it is guaranteed that the battery can maintain a good self-heating effect.

The invention relates to a control device and method of a heating part, the heating part, a vehicle interior and a vehicle, and relates to the technical field of temperature adjustment. The control device of the heating element comprises a switching circuit which is connected with a power supply and the heating element and used for controlling the heating element to be switched between a heating mode and a detection mode and outputting capacitance parameters of the heating element in the detection mode, and the capacitance parameters comprise at least one of a self-inductance capacitance value and a mutual inductance capacitance value. The control circuit is connected with the switching circuit and used for controlling the heating piece according to the capacitance parameters in the heating mode. Thus, when the heating piece is in the heating mode, the heating piece can be controlled according to the self-inductance capacitance value and / or the mutual inductance capacitance value, the heating effect is guaranteed, meanwhile, the heating piece is prevented from damaging the human body, and therefore flexible control over the heating piece is achieved.

The invention relates to a control method and device of an air conditioning system, the air conditioning system and a readable storage medium, and relates to the technical field of air conditioners, the air conditioning system comprises an outdoor unit and at least one indoor unit connected with the outdoor unit, the air conditioning system is used for adjusting the temperature of at least one space, and the method comprises the steps that the load coefficient of the at least one space is determined, the load coefficient is used for correcting the load corresponding to the real-time inner environment temperature of the space adjusted by the air conditioning system; determining the temperature difference of the at least one space, wherein the temperature difference is the temperature difference between the real-time inner environment temperature and the target inner environment temperature of the space; according to the load coefficient and the temperature difference of the at least one space, the outdoor unit operation increment in the next control period is obtained; and according to the outdoor unit operation increment, the outdoor unit is controlled to operate. By means of the control method of the air conditioning system, the refrigerating and heating effects of the air conditioning system can be guaranteed while the cost is reduced.

The invention belongs to the technical field of road maintenance, and discloses a road concrete pavement layer self-adaptive crushing method based on microwave-assisted resonance, and the specific technical scheme is as follows: a microwave heating device is used for pretreating a cut and divided crushing area, and a concrete layer is weakened through a heating effect of microwave radiation to realize separation of a pavement layer; when it is judged that the temperature of the concrete in the heating area reaches the needed temperature through the thermal infrared imager, the inherent frequency of the concrete is calculated, a calculation result is fed back to the resonance crushing device, and the resonance crushing device enables the pavement layer to generate forced vibration to be crushed by generating excitation frequency; the novel method for crushing the concrete pavement layer based on microwave-resonance energy coupling has the characteristics of being accurate, controllable, efficient, applicable to multiple scenes and the like, and can be matched with an acoustic emission system to realize closed-loop control of concrete crushing, so that the working environment of the concrete pavement layer is greatly improved, and the service life of the concrete pavement layer is prolonged. And the maintenance frequency of the equipment is greatly reduced while the crushing efficiency is improved.

The utility model belongs to the technical field of test boxes, and particularly relates to a high-low temperature test box with uniform heating. Comprising test cavities which are arranged in a test box at intervals left and right; a placement net plate is embedded in the bottom of the test cavity; the fans are arranged below the placing net plate in a bilateral symmetry manner; the air inlet end of the fan is communicated with the test cavity through the placing screen plate, and the air outlet end of the fan is communicated with the air duct cavity; the air duct cavities are distributed on the left side wall and the right side wall of the test cavity in a bilateral symmetry manner; a spoiler is vertically and obliquely arranged in the air duct cavity, and an air distribution plate is arranged at the air return end of the air duct cavity. According to the utility model, through the arrangement of the spoiler and the air distribution plate in the air duct cavity, high and low temperature airflow with uniform airflow distribution can be provided for the interior of the test cavity, so that the temperature rise rates of different areas are consistent, and the uniform heating effect during product testing is further improved.

The invention relates to the field of ladle baking devices, in particular to a heat accumulating type natural gas ladle baking device which comprises a steel ladle heating furnace and further comprises a ladle baking cover, the front end of the steel ladle heating furnace is fixedly connected with the ladle baking cover, reinforcing rods are fixedly installed at the left end and the right end of the ladle baking cover, and an installation frame is arranged at the rear end of the steel ladle heating furnace. A hydraulic lifting platform is arranged at the lower end of the steel ladle heating furnace, the two mounting frames are located on the left side and the right side of the steel ladle heating furnace, a heat preservation block is fixedly mounted at the upper end of the ladle baking cover, and a temperature measuring sensor is arranged at the upper end of the heat preservation block. After natural gas and combustion-supporting air are mixed, the high temperature is kept, heat needed by combustion is reduced, energy consumption is reduced, switching between the two heat storage cavities is achieved through the multiple control valves, the controller is matched for control, exchange type heat storage and combustion are achieved, the waste heat recovery effect is improved, meanwhile, the heating effect on the combustion-supporting air is guaranteed, and the energy consumption is reduced. The pouring construction time is prolonged, and the practicability is improved.

The present application relates to a kind of intelligent environmental protection impregnation equipment, including impregnation groove, glue liquid and intelligent heating system are arranged in the impregnation groove, the air collection mechanism is arranged at the top of the impregnation groove, and the air collection mechanism is connected with buffer feeding mechanism;The air collection mechanism includes the collection cover located in the top of impregnation groove, and the collection cover is fixedly connected with impregnation groove, and the top of the collection cover is fixedly provided with air pump, and collection pipe is installed on the air pump, and the collection pipe is inserted into collection cover;The intelligent environmental protection impregnation equipment, by collecting toxic air and conveying to air treatment device for purification, improve the environmental protection, and, the heat in toxic air is transferred to the cord fabric, cord fabric is preheated, heat recovery is realized, further improve the environmental protection effect, in addition, toxic hot air flows to the intermediate roll, it is convenient for heat to be transferred to the roll body, improve heat recovery efficiency, improve cord fabric preheating effect.

The pulse and heating gasket comprises inner-layer cloth, an inner-layer adhesive film, an energy conducting film, an FPC circuit board, a middle-layer adhesive film, a battery, an outer-layer adhesive film and outer-layer cloth, the FPC circuit board comprises a pulse unit and a heating unit, and the pulse unit is covered in the energy conducting film; the FPC circuit board is arranged between the inner-layer adhesive film and the middle-layer adhesive film, and the energy conducting film penetrates through the inner-layer adhesive film and the inner-layer cloth to the outside of the inner-layer cloth; the battery is arranged between the middle-layer adhesive film and the outer-layer adhesive film, the outer-layer adhesive film is connected with the outer-layer cloth, and the inner-layer cloth is connected with the periphery of the outer-layer cloth, during application, the pulse unit generates a pulse loop, the heating unit generates a heating effect, and the energy conducting film transmits the pulse loop and the heating effect to a human body; the inner layer adhesive film and the middle layer adhesive film seal the FPC circuit board and the energy conducting film, and the middle layer adhesive film and the outer layer adhesive film seal the battery, so that the waterproof function is achieved. Therefore, the design can be washed by water, and is clean and sanitary.

The invention provides a heating and humidifying high-flow oxygen uptake bottle which comprises a humidifying oxygen uptake bottle, and an in-bottle oxygen outlet pipe and a gas passage partition plate are sequentially arranged in a humidifying cavity of the humidifying oxygen uptake bottle from top to bottom. A proper amount of humidifying liquid is arranged in a humidifying bottle cavity, and a closed oxygen humidifying channel is formed between the gas passage partition plate and the liquid level of the humidifying liquid to humidify oxygen flow. A heating structure is arranged at the bottom of the bottle to heat, humidify or heat and disinfect oxygen flow, water and electricity are separated, and comfort and safety of oxygen inhalation are guaranteed; oxygen flow is humidified and heated on the surface of humidifying liquid, the water adding amount is large, the humidifying and heating effects are stable, and safety and reliability are achieved; the oxygen uptake bottle can be disinfected at any time according to needs, and cross infection is avoided.

A vehicle window assembly (100) and a vehicle (1000), the vehicle window assembly comprising: a glass pane (30), a heating member (10) and a sensor (20), wherein the sensor is arranged on an inner side of the glass pane; the sensor comprises a first sensor (21) and a second sensor (22); the glass pane comprises a first signal transmission region (A) and a second signal transmission region (B), the first signal transmission region being a signal transmission region of the first sensor on the glass pane, the second signal transmission region being a signal transmission region of the second sensor on the glass pane, and the first signal transmission region being at least partially located within the second signal transmission region; and the heating member comprises at least one heating wire (11), which avoids the first signal transmission region and is at least partially arranged within the second signal transmission region. The vehicle window assembly can reduce physical shielding of the first sensor, guarantees a heating effect of the first signal transmission region, and improves the accuracy of optical information obtained by means of the sensor.

The air guide plate comprises an air guide plate body, and the air guide plate body comprises a first air guide face, a transition air guide face and a second air guide face which are sequentially arranged in the width direction of the air guide plate body. At least one part of the first air guide face is obliquely arranged relative to the transition air guide face in the direction back to the transition air guide face, and at least one part of the second air guide face is obliquely arranged relative to the transition air guide face in the direction back to the transition air guide face. According to the air guide plate and the air conditioner, at least one part of the first air guide face is obliquely arranged relative to the transition air guide face in the direction opposite to the transition air guide face, vortexes formed by airflow at the air guide plate can be reduced, and therefore the risk that the air conditioner has the condensation problem is reduced; at least one part of the second air guide face is obliquely arranged relative to the transition air guide face in the direction opposite to the transition air guide face, the landing speed of airflow passing through the air guide plate can be increased, and the heating effect of the air conditioner is improved.

The invention belongs to the technical field of temperature detection, and particularly relates to a graphene electrothermal film heating effect detection device which comprises a detection box and a controller installed at the top of the detection box, through holes are formed in the two side walls of the detection box, a graphene electrothermal film penetrates through the detection box through the two through holes, and the graphene electrothermal film heating effect detection device further comprises two belt conveying assemblies, the two belt conveying assemblies are arranged on the upper side and the lower side of the interior of the detection box respectively, and a driving assembly is installed on the side wall of the detection box and used for driving the two belt conveying assemblies to rotate in the opposite directions. The device can detect the heat conduction efficiency of the graphene electrothermal film in an on-line moving manner, reduces links, improves the overall efficiency, is comprehensive in detection, can evaluate the heating effect without electrifying, can guarantee the detection accuracy through temperature measurement and electric heating assembly cooling, can automatically mark the position with a poor heating effect, and can automatically detect the heat conduction efficiency of the graphene electrothermal film when the defect frequency is too high. And personnel are reminded of tracing timely.

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

A heating assembly is arranged on the outer side of the bottom of an inner shell, an outer shell comprises an outer side shell forming a vacuum layer with the side wall of the inner shell, the outer shell further comprises an outer bottom shell, and the outer bottom shell, the outer side shell and the outer wall of the lower bottom of the inner shell form a containing cavity for containing the heating assembly. The outer shell comprises an outer side shell forming a vacuum layer with the side wall of the inner shell, the side edge heat preservation effect is good, the outer bottom shell, the outer side shell and the outer wall of the lower bottom of the inner shell form a containing cavity for containing a heating assembly, the whole body is independent, reliable and convenient to carry, can be matched with a power line or a power source to be carried, is lighter, and can be electrically connected when the power source is needed. And the inner shell and the outer shell are arranged, so that cleaning and disinfection are facilitated, the containing cavity for containing the heating assembly is formed, good heat preservation can be achieved, and the complete heating effect is achieved.

The invention relates to a battery self-heating control method and device, a medium, a controller and a program product. The method comprises the following steps: acquiring a current excitation signal for self-heating and current state information of a battery; determining the current impedance of the battery according to the current excitation signal and the current state information; according to the current impedance, determining a target excitation signal for generating target self-heating power for the current impedance; and taking the target excitation signal as a new current excitation signal so as to carry out self-heating excitation adjustment on the battery. Through circulation control, the excitation signal used for self-heating is always close to the power requirement corresponding to the impedance of the battery, and it is guaranteed that the battery can maintain a good self-heating effect in the whole self-heating process.

The invention relates to the technical field of battery pulse heating, and provides a battery pulse heating method and system, and the method comprises the following steps: collecting battery temperature data and environment temperature data in real time; based on the battery temperature data and the environment temperature data, identifying current working state data of the battery, and calculating pulse parameters of the battery according to the current working state data, the battery temperature data and the environment temperature data; performing pulse heating on the battery through the pulse parameter, recording a heating parameter of the battery under the current working condition, and optimizing the heating parameter of the battery based on the heating effect of the battery; monitoring health state data of the battery in real time, and performing fault diagnosis on the battery based on the health state data to obtain a fault diagnosis result; and performing protection control on the battery according to the fault diagnosis result. Accurate recognition, fault diagnosis and protection control of the working state of the battery are achieved, and the heating efficiency and safety of the battery are improved.