48results about How to "Meet heating needs" patented technology

The invention discloses a heat supply whole network collaborative dynamic optimization regulation and control method, system and equipment and a storage medium, relates to the technical field of heat supply control, and aims at solving the technical problems that in the prior art, thermal load prediction data is inaccurate, and heat transfer distribution cannot be optimized by a heat supply system, so that operation energy consumption is large. According to the technical scheme, the method mainly comprises the steps that building load prediction data and heating station load prediction data are acquired, and a load prediction model is constructed; training the load prediction model, and optimizing the model and pipe network data by using an ARX active regression algorithm; a heat supply whole network physical simulation model is constructed, and heat supply whole network thermal load data is obtained through calculation by using an MILP mixed integer linear programming algorithm; an optimal control strategy is obtained by optimizing a heat supply whole network physical simulation model and introducing a real-time feedback mechanism and an overall cooperative control module, optimization parameters of the heat supply whole network physical simulation model are automatically adjusted by using the optimal control strategy, and the heat supply whole network is continuously in an optimal operation state through automatic repeated iteration.

The invention relates to the technical field of coating machines, and discloses a multi-drying coating machine which comprises a supporting plate body, a base material roller, a composite drying machine and a discharging roller, the two ends of the supporting plate body are rotationally connected with the base material roller and the discharging roller respectively, the composite drying machine is arranged between the base material roller and the discharging roller, a tension shaft is arranged between the base material roller and the composite drying machine, and the tension shaft is connected with the supporting plate body. A coating mechanism is arranged on one side of the tension shaft and comprises a rotary coating roller, a supporting base and a comma scraper, a coating base material is arranged between the rotary coating roller and the supporting base, the comma scraper is arranged on one side of the rotary coating roller, and ultrasonic vibration modules are arranged on the upper side and the lower side of the comma scraper; the ultrasonic vibration module changes an electromagnetic field around the comma scraper to enable the surface of the comma scraper to generate high-frequency vibration; the high-frequency vibration of the comma scraper not only optimizes the distribution of the coating, but also enhances the interaction between the coating and the base material, and effectively promotes the contact and permeation between coating molecules and the coating base material.

The invention relates to an electric heating energy storage system capable of quickly responding to electric power change, which uses an electric energy indirect or direct heating mode to heat a heat storage metal body, and the heat storage metal body transfers heat to a fluid or gas medium, thereby avoiding overhigh local temperature of the medium or overlow outlet temperature caused by using an electric heater to directly heat the fluid medium, and improving the reliability of the electric heating energy storage system. And the electric power change can be quickly responded. An electric heater is used for heating a heat storage metal body or current is directly applied to the two ends of a heating body made of metal to generate Joule heat, then heat in the heat storage metal body is transferred out through a fluid medium heat exchange device, and finally the heat is stored in a fluid medium and the metal heat storage body. According to the invention, the solid is heated and then exchanges heat with the heat exchange medium, so that the electric power can be quickly adjusted.

The utility model relates to experimental article heating field discloses a kind of assembled water bath pot support, including chassis, at least two struts are fixedly connected with the top end of the chassis, the moving block is connected with the struts by sliding group, the moving block right side outer wall is fixedly connected with top frame, the gear column is rotatably connected in the top frame, the gear column outer wall is engaged and is connected with outer ratchet, the outer ratchet is connected with card by rotating assembly, the sliding assembly includes two spherical balls in the moving block inner wall, the spherical ball inside is slidably connected with support rod, spring is set on the support rod outer wall, the support rod is fixedly connected in the moving block front and rear two sides outer wall.In the utility model, the height of top frame is flexibly adjusted by moving block etc., and is adapted to different bottle body;Gear transmission drives card to stably fix bottle body, eliminates the shaking hidden danger when boiling water heating, improves applicability and security.

The invention provides a mounting structure of an evaporator assembly. The mounting structure comprises a direct discharge evaporator; the two mounting brackets are separably arranged on a rear frame of the cabinet air conditioner and jointly form a mounting cavity for mounting the direct-discharge evaporator; the plurality of electric heating modules are arranged between the two mounting brackets; the fixing assembly comprises a plurality of first mounting holes formed in the mounting support and a plurality of second mounting holes formed in the rear frame, and the first mounting holes correspond to the second mounting holes one to one. A traditional U-shaped evaporator is replaced by the in-line evaporator, a rotation space of an elbow section does not need to be reserved any more, the mounting cavity is formed in the rear frame through the two separable mounting supports, the evaporator can be mounted in the indoor unit of the air conditioner in a more compact mode, and the size of the air conditioner in the depth direction is effectively reduced; and meanwhile, the mounting bracket is matched with the second mounting hole in the rear frame through the first mounting hole and is directly locked and fixed through a screw, so that the structure is simple and the mounting is convenient.

The invention discloses a boiler wet-type condensed flue gas desulfurization and denitrification system, which belongs to the technical field of waste gas treatment, and comprises a combustion bin, a heating device is arranged at the bottom of the combustion bin, a heating bin is fixedly connected above the combustion bin, and the left side of the combustion bin is fixedly communicated with flue gas treatment equipment; the flue gas treatment equipment comprises an inner pipeline, a top pipeline is arranged at the top of the inner pipeline, the bottom, the front side face and the rear side face of the inner pipeline are wrapped with outer pipelines, the right ends of the outer pipelines fixedly communicate with the top of the combustion bin, and a bent pipe fixedly communicates with the bottom of the left side of each outer pipeline. The condensation efficiency of the adsorption liquid is improved through multiple times of condensation, the waste heat of high-temperature flue gas is subjected to multi-layer recovery, the heat recovery efficiency of the high-temperature flue gas is improved, the energy consumption required for heating water by the boiler can be reduced, and the energy-saving and environment-friendly boiler has the characteristics of energy conservation and environmental protection.

The application relates to the battery technical field and provides a control device, a thermal management system and energy storage equipment. The thermal management system comprises a control device, a refrigerant unit and a heat exchange unit. Heat exchange fluid in a heat exchange flow path can exchange heat with refrigerant in a refrigerant flow path. The control device comprises a box body, a control module and a heat exchange structure. The box body forms a placing cavity and an assembly opening. The assembly opening is communicated with the placing cavity. The control module is arranged in the placing cavity. The heat exchange structure seals the assembly opening. The heat exchange structure comprises a fluid channel. The fluid channel is communicated with the heat exchange flow path. The heat exchange flow path is used for heat exchange with a battery monomer. Heat exchange fluid in the heat exchange flow path can flow through the fluid channel, so that the heat exchange fluid exchanges heat with the control module, and the control module is cooled or heated. The heat exchange structure seals the assembly opening. The heat exchange structure can occupy as little space as possible in the placing cavity.

The embodiment of the present application provides a kind of heat management integrated module and vehicle, heat management integrated module includes motor, battery, liquid pump, radiator, evaporator and first multi-way valve.Radiator is cooled to motor and forms motor loop with liquid pump.Battery has import side and export side, the import side of battery is communicated with the position of motor loop between liquid pump and radiator, the export side of battery is communicated with the position of motor loop between motor and liquid pump.Evaporator has import side and export side for cooling liquid to enter and exit, the import side of evaporator is communicated with the export side of battery, the export side of evaporator is communicated with the position of motor loop between motor and liquid pump.First multi-way valve is communicated with the export side of motor and the export side of evaporator, first multi-way valve can control the on-off of motor loop, and the on-off of the export side of motor and the export side of evaporator with motor loop, to integrate motor loop with battery and evaporator, reduce complexity, simplify the layout of vehicle.

A first water inlet pipe of a first titanium plate heat exchanger of the system is connected with a water taking well, a first water outlet pipe of the first titanium plate heat exchanger is connected with a first water inlet pipe of a second titanium plate heat exchanger, and a first water outlet pipe of the second titanium plate heat exchanger is connected with a recharge well. The second water outlet pipe is connected with a first water inlet pipe of a steam type lithium bromide heat pump unit, a first water outlet pipe of the steam type lithium bromide heat pump unit is connected with a second water inlet pipe of a second titanium plate type heat exchanger, and the second water inlet pipe is connected with a heat supply network water return pipe and a heat supply pipe. A second water inlet pipe of the first titanium plate type heat exchanger is connected with a heat supply network water return pipe, a second water outlet pipe is connected with a heat supply pipe, a third water outlet pipe of the steam type lithium bromide heat pump unit is connected with a drain cooler, and the first titanium plate type heat exchanger is connected with the drain cooler. And waste heat is fully recovered.

The present invention provides a remote terminal response and control method for an air source heat pump based on power regulation, including: obtaining the operating conditions, heat load, power consumption, indoor temperature, and heating hot water temperature data of the air source heat pump; generating a power adjustment plan according to a preset production plan in combination with the power system peak load, frequency regulation auxiliary demand and the operating conditions, heat load, power consumption, indoor temperature, and heating hot water temperature data; generating an automation instruction according to the power adjustment plan and preset power regulation assessment indicators; the automation instruction changes the operating power of the air source heat pump through multiple ways during execution to generate an adjustment result; according to the adjustment result, the demand response plan is adjusted and corrected by a preset correction model through dynamic planning, and the operating power of the air source heat pump is dynamically adjusted. The present invention solves the problem that the existing air source heat pump is difficult to achieve coupled control that takes into account both power auxiliary services and its own safety, energy saving, and comfort.

The utility model relates to the technical field of photo-thermal air conditioners, in particular to a solar photo-thermal central air conditioner which comprises a solar heater provided with a liquid inlet pipe, a liquid outlet pipe and first electric control valves arranged on the liquid inlet pipe and the liquid outlet pipe. The photovoltaic panel is provided with a power supply terminal; the refrigerator is provided with a liquid inlet pipe, a liquid outlet pipe and second electric control valves arranged on the liquid inlet pipe and the liquid outlet pipe; the indoor unit is provided with a liquid inlet pipe, a liquid outlet pipe and a third electric control valve arranged on the liquid inlet pipe and the liquid outlet pipe; the solar heater, the refrigerator and the indoor unit are connected in parallel through a circulating pipeline, and the circulating pipeline is provided with a circulating pump. According to the utility model, the light and heat of the sun can be fully utilized to realize the refrigeration and heating functions of the indoor unit, so that the indoor unit can be used in remote mountainous areas, islands, frontier sentries, desert abdominal lands and other scenes without mains supply access.

The present invention discloses a solar thermal storage and heating device based on a linear Fresnel lens, comprising a photovoltaic assembly, a heat storage tank, a linear Fresnel lens photothermal assembly, a pump, a storage battery, a three-way valve 1, a three-way valve 2, a stop valve and a housing; the photovoltaic assembly is electrically connected to the pump and the storage battery respectively; the linear Fresnel lens photothermal assembly is rotatably installed in the housing; the outlet of the pump is respectively connected to the inlet of the linear Fresnel lens photothermal assembly and the inlet of the branch pipe; the outlet of the branch pipe is connected to the lower port of the heat storage tank; a stop valve is arranged on the branch pipe; the outlet of the linear Fresnel lens photothermal assembly is respectively connected to the upper port of the heat storage tank and the inlet on the user side through the three-way valve 2; the inlet of the pump is respectively connected to the outlet on the user side and the lower port of the heat storage tank through the three-way valve 1. The present invention designs two corrosion-resistant heat-conducting pipes with different settings and phase-change materials with different phase change temperatures inside, which can store heat at different temperatures and realize gradient heat storage.

The present invention discloses an intelligent regulation method for household heating pipelines, wherein a flow regulating valve is installed on the household water supply pipeline; the method comprises: obtaining the indoor ambient temperature of the user, determining the temperature difference between the indoor ambient temperature and the target temperature, and adjusting the flow regulating valve if the temperature difference is not within the acceptable range; obtaining the indoor area of ​​the user, determining the product of the temperature difference and the indoor area, and determining the user heat load required by the user according to the product; obtaining the water supply temperature in the household water supply pipeline, determining the ratio of the user heat load to the water supply temperature, and determining the valve opening of the flow regulating valve according to the ratio; obtaining the total length of the household heating pipeline, and correcting the valve opening of the flow regulating valve according to the total length of the pipeline. By adjusting the valve opening of the flow regulating valve, refined hydraulic balance regulation of household heating is achieved to achieve the purpose of heat saving.

The utility model discloses a kind of coal-fired power plant boiler systems of promoting deep carbon reduction capacity, by being equipped with hot secondary air warm air heater on secondary air duct, and hot secondary air warm air heater is equipped with extraction steam heating hot secondary air after steam exhaust pipeline;Extraction steam heating hot secondary air after steam exhaust pipeline connects two-stage temperature and pressure reducer, and two-stage temperature and pressure reducer is discharged by the steam exhaust steam turbine two-stage extraction steam pipeline through the steam exhaust steam turbine two-stage extraction steam pipeline adjusting valve of steam turbine two-stage extraction steam pipeline;Main steam output pipeline is connected with one-stage temperature and pressure reducer by being sequentially set extraction steam import shut-off valve, extraction steam import regulating valve extraction steam main pipe in sequence, and one-stage temperature and pressure reducer is equipped with extraction steam pipeline after temperature and pressure reduction;Extraction steam pipeline after temperature and pressure reduction is communicated hot secondary air warm air heater;To solve the problem that boiler stable combustion, feedwater temperature is low, coal mill drying treatment is insufficient when coal-fired power plant boiler exists depth peak shaving, improve the economy of boiler deep regulation condition simultaneously, reduce carbon emission.

The application provides a heat supply regulation and control method and device of a heat exchange unit, electronic equipment and a storage medium. The method comprises the following steps: acquiring a current heat load value and a heat supply regulation and control parameter of the heat exchange unit in real time according to a preset regulation and control period; determining a first target heat load value of the heat exchange unit based on the heat supply regulation and control parameter; correcting the first target heat load value to obtain a second target heat load value; and regulating and controlling the heat supply of the heat exchange unit based on the second target heat load value and the current heat load value. The technical problem that the heat supply demand of each heat exchange unit cannot be accurately measured in the prior art is solved, and the purpose of flexible heat supply regulation and control is achieved.

This utility model discloses a thermal management system and a vehicle. The thermal management system includes: a condenser on a first flow path, a heat exchanger on a first refrigerant branch, and the first flow path being connected to one of a second flow path, a first refrigerant branch, and a third refrigerant branch; an engine radiator and a heater core on a first circuit, and a heat exchange device on a second circuit; a first heat exchange channel connected in series on the second flow path, and a second heat exchange channel connected in series on the first circuit, with at least one of the first and second heat exchange channels exchanging heat with the engine's exhaust pipe; and a second heat exchange assembly, which includes a third heat exchange channel and a fourth heat exchange channel, the third heat exchange channel being connected in series on the refrigerant circuit, and the fourth heat exchange channel being connected in series on the second circuit. According to this utility model's thermal management system, while meeting the heating needs of the passenger compartment, it can reduce engine warm-up time during cold starts, reduce cold start fuel consumption, effectively save energy and reduce costs, and achieve integrated design.

The utility model relates to the technical field of perovskite battery production and preparation, in particular to heating crystallization equipment, which comprises a box body, the first adjusting assembly is arranged in the inner cavity of the box body and is in sliding connection with the box body in the vertical direction, and the adjusting end of the first adjusting assembly is suitable for placing a to-be-heated perovskite glass substrate; the heating plate and the perovskite glass substrate are arranged in the inner cavity of the box body in parallel, and the heating plate is located below the perovskite glass substrate and is suitable for heating the perovskite glass substrate; wherein the area of the heating surface of the heating plate is greater than or equal to the area of the perovskite glass substrate. The technical problems that a heating module and an annealing platform of existing heating crystallization equipment are usually fixedly arranged, heat transferred to a glass substrate in unit time is fixed, and different heating requirements cannot be met are solved.

The utility model belongs to new energy technology field, concretely is a kind of photovoltaic photo-thermal dual-source heat pump hot water system, including PV / T photovoltaic photo-thermal plate, PV / T hot water storage tank, dual-source heat pump unit, hot water tank and PV / T source side circulating water pump, the water outlet of PV / T photovoltaic photo-thermal plate and the water inlet of PV / T hot water storage tank are connected by PV / T heat exchange water pump, the water inlet of PV / T photovoltaic photo-thermal plate is connected with the water outlet of PV / T hot water storage tank, the water outlet of PV / T hot water storage tank and the water inlet of dual-source heat pump unit are connected by PV / T source side circulating water pump, the water outlet of dual-source heat pump unit and the water inlet of hot water tank are connected by hot water circulating water pump.The utility model system combines multiple energy-saving technologies, integrates hot water production and photovoltaic power generation functions into an integrated device, improving the utilization rate of the device. This device has intelligent control, allowing users to control according to their needs, has high degree of intelligence and is easy to operate.

The utility model discloses a modularization's multi -medium heat exchanger, including frame, frame is equipped with air inlet, first air outlet and second air outlet respectively, and air inlet is equipped with air supply device, and frame still is equipped with heat exchange cavity, and first air outlet is located the top of heat exchange cavity, and second air outlet is located the circumferential side of heat exchange cavity, heat exchange cavity is equipped with first heat exchange module and a plurality of second heat exchange module, and first heat exchange module is close to first air outlet, and second heat exchange module is close to second air outlet, the heat exchange medium in first heat exchange module and a plurality of second heat exchange module has at least two kinds, the utility model discloses a different heat exchange module close to the mode of different air outlet, one side can carry out heat exchange to multiple medium simultaneously, reaches the effect of heating or cooling to multiple medium simultaneously, on the other hand, owing to different heat exchange module close to different air outlet, still can heat the gas that different air outlet flows out through the heating module of different temperature, obtains the gas of different temperature.

The utility model discloses a single roller heating equipment belongs to processing equipment technical field. The utility model solves how the single roller heating equipment satisfies the problem of waste asphalt mixture warm mix recycling use in the prior art. The utility model discloses the cylinder that is arranged obliquely, low temperature area and high temperature area are sequentially arranged from low side to high side in the cylinder, is provided with the regeneration material feeding mechanism and new aggregate feeding mechanism on the cylinder, the regeneration material feeding mechanism is arranged in low temperature area, and the new aggregate feeding mechanism is arranged in high temperature area, is provided with first stirring mechanism in high temperature area, is provided with screening structure on first stirring mechanism, and second stirring mechanism is arranged in low temperature area. The utility model sends in the roller different area respectively with the regeneration material and new aggregate, and adjusts heating temperature and time according to its different heating requirement, realizes the differentiating processing, can satisfy the waste asphalt mixture warm mix recycling use demand.

The utility model relates to heating device technical field discloses a kind of heating devices for dust collector injection molding production mould, including heating pipeline, the top left side of heating pipeline is fixedly connected with feed barrel, the left side of heating pipeline is fixedly connected with servo motor, the output of servo motor is fixedly connected with helical blade, the outer wall of helical blade is provided with heating jacket, the outer wall of heating jacket is fixedly connected with heat conduction stick, the right end of heating pipeline is provided with structure groove, the inner wall of structure groove is fixedly connected with heating coil, the outer wall of heating pipeline is provided with heat preservation layer. In the utility model, helical blade sends material into heating part, heating jacket and heat conduction stick carry out inner middle layer heating, heating coil heats material outer layer, the heat preservation layer and heat insulation layer of heating pipeline outer wall prevent heat loss, material is injected into mould by discharge port, reduce energy loss, improve safety and heating uniformity, meet demand.

The invention relates to the technical field of natural gas processing equipment, in particular to an efficient and energy-saving natural gas processing device which comprises a liquid cooling assembly and a natural gas pipeline, the liquid cooling assembly comprises a cold box arranged on a base, a metal cold box and a condenser are arranged on the upper portion and the lower portion of the inner wall of the cold box, and a gas inlet pipeline of the cold box communicates with the interior of the natural gas pipeline; the efficient energy-saving assembly comprises a compressed air assembly, a cold air utilization assembly, a cold air conveying assembly, a hot air conveying assembly and a cold air heat preservation assembly. Therefore, the device is reasonable in structure, exhausted cold air can be efficiently recycled, the problem of cold source emission is effectively solved, accurate separation of cold air and hot air is achieved through a fine secondary treatment process, in the process, the treated cold air can replace part of the refrigerating function of a condenser and a refrigerant, energy is saved, emission is reduced, and the energy-saving and environment-friendly effects are achieved. And the refrigerating efficiency is greatly improved, the treated hot air can meet the heating requirement of related high-temperature equipment, energy conservation and efficiency improvement of the heating equipment are achieved, and the overall application performance is excellent.

The utility model provides a hybrid power vehicle thermal management system and a vehicle, the hybrid power vehicle thermal management system comprises a first thermal management unit and a second thermal management unit, the inlet end of the first thermal management unit is connected with the outlet end of an engine cooling unit, and the first thermal management unit is used for adjusting the temperature of cooling liquid in an engine; the outlet end of the first heat management unit is connected with the inlet end of a second heat management unit, and the second heat management unit is used for regulating the temperature of a target power battery by using the temperature-regulated cooling liquid; the outlet end of the second heat management unit is connected with the inlet end of the engine cooling unit; heat dissipation loops of an engine and a power battery are combined, heat dissipation of two devices is achieved through combination of one or two heat management units, the complexity of the vehicle heat management system structure is greatly reduced, and the problem that the internal space of a hybrid electric vehicle is crowded is solved.

The utility model relates to the technical field of baking appliances, in particular to a multifunctional grill for a combined air fryer, which comprises a support frame, a top frame, a placing frame and hanging needles. A hanging grid is arranged at the top of the supporting frame, a containing grid is arranged in the middle of the supporting frame, the top frame is arranged at the top of the supporting frame, a bent part used for positioning is arranged on the top frame, the width of the top frame exceeds that of the supporting frame, and hanging supporting rods are arranged on the two sides of the top frame. The placing frame is arranged in the placing grid, hook parts are arranged at the tops of the hanging needles, and the hanging needles are hung on the supporting frame or the top frame through the hook parts. By arranging the supporting frame, the top frame, the containing frame, the hanging needles and other parts, the heating requirements of food of different sizes and quantities can be met. The space utilization rate is high, the cooking efficiency and effect of the air fryer can be effectively improved, and meanwhile the air fryer has good stability and durability.

The application provides a heating stove controller, which is connected with a heating stove in a communication mode, and the heating stove controller comprises a control panel configured to be operable to modulate the operation of the heating stove according to a temperature control protocol, wherein a control knob is arranged on the control panel, when the control knob is triggered, the heating stove controller modulates the heating stove to operate at a set power, wherein the set power is greater than the power of the heating stove before the control knob is triggered. The application also provides a heating stove control method using the above heating stove controller. The heating stove controller and the heating stove control method can realize fast heating and simplify and facilitate the operation of the user.

The application discloses a kind of pure electric vehicle phase change energy storage type composite heat management system, and it is related to electric vehicle battery heat management technical field.The composite heat management system includes controller and battery heat management module, vapor compression heat pump module, motor coupling module, valve island and controller connected with controller.Valve island is provided with several interface groups, each interface group has fluid passage, and battery heat management module, vapor compression heat pump module and motor coupling module are connected with fluid passage respectively.Valve island can form several working modes by switching the flow direction of liquid medium, and working modes include supercharged pre-cold storage mode, supercharged cooling mode, extreme cold heat storage mode, low temperature start mode and extreme cold composite heating mode.The application not only effectively makes up the problem of insufficient heating capacity of heat pump at low temperature by integrating multiple heat sources, but also realizes cold / heat energy storage capacity using phase change material, and significantly reduces the time required for switching working mode through valve island.

The utility model relates to the technical field of heating equipment, in particular to a fan heater which comprises a shell, a hot air module, a cold air module and a mixing module. The shell is provided with an air inlet, an air outlet and an inner cavity, and the air inlet and the air outlet are both communicated with the inner cavity. The hot air module is arranged in the inner cavity, communicates with the air inlet and is used for obtaining cold air from the air inlet and heating the cold air to output hot air. The cold air module is arranged in the inner cavity, communicates with the air inlet and is used for obtaining cold air from the inlet air and outputting the cold air. The mixing module is arranged in the inner cavity and communicates with the air outlet, the mixing module further communicates with the hot air module and the cold air module at the same time, and the mixing module is used for mixing hot air output by the hot air module and cold air output by the cold air module to obtain warm air and blowing the warm air out of the air outlet. The warm air blower achieves temperature control by mixing hot air and cold air and has the advantages of being high in temperature adjusting speed and wide in temperature adjusting range.

The present application relates to heat transfer printing machine technical field, especially to a kind of sealed heating roller and its manufacturing method, including roller, at least one circular is provided in roller, at most four vacuum inner cylinders of cross section are sector, vacuum inner cylinder is evenly distributed along the circumferential direction, at least four groups of heating pipes are installed in roller, heating pipe is installed at the gap between vacuum inner cylinder and vacuum inner cylinder.This application roller is sealed as a whole, uses heating pipe to heat the heat conducting oil in the interior, avoids contact with air, prevents carbon deposition, coking from happening;The design of four vacuum inner cylinders reduces the amount of heat conducting oil, saves cost, at the same time because the amount of heat conducting oil is less, it has the advantages of fast heating and low energy consumption, so that only four heating pipes can meet the heating demand, so that the number of electric heating pipe is less, cost is further reduced, and the probability of roller oil penetration is also reduced;The design of four vacuum inner cylinders can also reduce the sealed roller.

The invention provides a heat management system which comprises a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, a fourth heat exchanger, a first valve, a second valve, a battery heat exchange device and a first pump, and the second heat exchanger comprises a first heat exchange part and a second heat exchange part which are isolated from each other; in the first heating and dehumidifying mode, the compressor is started, the first valve piece and the second valve piece are in the throttling state, the compressor, the first heat exchanger, the second valve piece and the fourth heat exchanger are communicated, the compressor, the first heat exchanger, the first heat exchange part, the second valve piece and the third heat exchanger are communicated, and an outlet of the first heat exchanger is communicated with an inlet of the second valve piece. An outlet of the first heat exchanger communicates with an inlet of the first valve, an outlet of the second valve communicates with the fourth heat exchanger, an outlet of the first heat exchanger communicates with an inlet of the first heat exchange part, an outlet of the first heat exchange part communicates with an inlet of the first valve, and an outlet of the first valve communicates with the third heat exchanger. The heating requirements of the passenger compartment and the battery can be met simultaneously.