50results about How to "Satisfy refrigeration" patented technology

The invention discloses a whole automobile heat management system for a hybrid power automobile. The whole automobile heat management system comprises a heat pump circulation loop, an engine heat management loop, a passenger cabin heat management loop, a motor heat management loop and a battery heat management loop, wherein the heat pump circulation loop comprises a compressor, a first heat exchanger, a heat exchanger, an evaporator and a second heat exchanger; the battery cooler is connected in parallel with the evaporator and is then connected with the second heat exchanger; the engine heat management loop comprises an engine, a first heat radiator and a first water pump; the motor heat management loop comprises a motor, a third water pump and a second heat radiator; the passenger cabin heat management loop comprises a hot air core body, a second water pump and a first heat exchanger; the battery heat management loop comprises a battery pack, a fourth water pump and a battery cooler. The system realizes the whole automobile heat management and reasonable distribution and utilization of the hybrid power automobile.

The invention relates to the field of the plan and the design of energy systems, and discloses a multi-energy complementary distributed energy system and an equipment configuration and operation optimization method thereof. According to the multi-energy complementary distributed energy system and the equipment configuration and operation optimization method thereof, energies such as fossil energy, unemployed energy, and renewable energy etc. are converted by the adoption of energy conversion technologies such as the conventional generation technology, the renewable energy technology, the cogeneration technology or the thermal technology etc., the requirements of terminal loads such as electric power, refrigeration, heating, and hot water etc. are satisfied, defects of single energy carrier and single energy supply technology in the prior art are overcome, the coupling utilization mode of a plurality of distributed energy supply technologies is provided, and energy complementation is formed. Further, during system equipment configuration and operation optimization, an established optimization model comprehensively considers equipment performance, policy indicators or economic indicators and combines economic, environmental, and policy boundary conditions, the problem of decoupling of equipment type selection and operation strategy in the prior art is solved, and scientific basis is provided for relevant policy making.

The invention discloses a multi-connected multi-functional heat pump type electric air-conditioning system and a working method thereof. The air-conditioning system comprises an electric compressor, an out-of-vehicle heat exchanger, a vapor-liquid separator, an in-vehicle heat exchanger, a battery cooler, a vehicle-mounted storage battery, a battery cooler water pump, an electronic expansion valve, an electromagnetic valve, a water tank, a low-temperature cooler water pump, two-position three-way valves, a low-temperature cooler, an out-of-vehicle heat exchanger fan and an in-vehicle heat exchanger fan. According to the air-conditioning system, the year-round operating work condition of an electric vehicle can be well dealt, the in-vehicle heat exchanger and the battery cooler can serve as an evaporator and a condenser according to the needs of the operating work condition, the out-of-vehicle heat exchanger can decide to serve as the evaporator or the condenser in an automatically-matched mode according to the heat load, and heating or cooling of a battery can also be met while the in-vehicle refrigerating or heating requirements are met.

The invention provides an air exhausting control method and device and a down-down exhausting cabinet, and relates to the technical field of air conditioners. The air exhausting control method is applicable to the up-down air exhausting cabinet. The up-down air exhausting cabinet comprises a housing, and a functional device which is arranged in the housing, wherein an upper air outlet is formed in the upper part of the housing, and a lower air outlet is formed in the lower part of the housing. The air outlet control method comprises the following steps: receiving a shielding signal which is used for reflecting whether a barrier is within the preset distance from the lower air outlet; controlling the lower air outlet to open or close based on the shielding signal; and controlling the functional device to start or stop. The air exhausting control method meets the target demand and ensures the comfort.

The invention discloses a control method and system for quick starting of a compressor of an outdoor unit of a variable-frequency air conditioner. The method comprises the steps that when the variable-frequency air conditioner is turned on, whether the variable-frequency air conditioner meets preset conditions at present is judged; if yes, a quick starting mode is triggered; and after the quick starting mode is triggered, a calculated outdoor target frequency is compared with a preset quick starting frequency, and a quick starting frequency is selected to start the compressor of the air conditioner according to a comparison result. According to the control method and system, the starting time of the compressor of the air conditioner can be shortened, and the refrigerating or heating effect of the air conditioner can be achieved more quickly; meanwhile, the requirement that the compressor is started without frequency hopping is met in the aspect of control, the requirement for the quick refrigerating and heating capacity is met in the aspect of performance, and the requirement for stable operation of the compressor is met in the aspect of reliability.

The invention discloses a control method of a cabinet air conditioner and the cabinet air conditioner. The cabinet air conditioner comprises a case, a first wind wheel component, a second wind wheel component and a calm wind feeling signal triggering device, wherein the first wind wheel component and the second wind wheel component are arranged in the case; an air inlet, a first air outlet and a second air outlet are formed in the case; the first air outlet is strip-shaped; the length direction of the first air outlet is a vertical direction; the second air outlet is arranged above the first air outlet; and air from the second air outlet has a horizontal component. The control method of the cabinet air conditioner comprises the following steps: when the first wind wheel component and the second wind wheel component work simultaneously, judging whether a calm wind feeling mode command signal sent by the calm wind feeling signal triggering device is received or not; and if yes, controlling the first wind wheel component to close.

The invention discloses a cabinet air conditioner which comprises a first air conditioner unit and a second air conditioner unit.The second air conditioner unit is arranged on the first air conditioner unit in a stacked mode.The first air conditioner unit comprises a lower shell.The lower shell is provided with a first air inlet and a first air outlet, wherein the first air outlet is in a long-strip shape, and the length direction of the first air outlet is the vertical direction.The second air conditioner unit comprises an upper shell.The upper shell comprises a second air inlet and a second air outlet, wherein air blown out of the second air outlet has a component blown out in the horizontal direction.According to the technical scheme, the first air conditioner unit and the second air conditioner unit can independently achieve refrigerating or heating and are stacked together so that the cabinet air conditioner can achieve three different refrigerating or heating modes, the demands of users for different refrigerating or heating modes are effectively met, and the user experience degree is increased; besides, the cabinet air conditioner is simple in structure and relatively low in cost.

The invention discloses a refrigerating and heating energy-saving system with a heat source tower. The refrigerating and heating energy-saving system with the heat source tower comprises the heat source tower, a screw-rod heat-pump cold and hot water unit and a solution condensing device, wherein the heat source tower is provided with a water inlet pipeline and a water outlet pipeline; the screw-rod heat-pump cold and hot water unit is connected between the water inlet pipeline and the water outlet pipeline; and the water inlet pipeline and the water outlet pipeline between the heat source tower and the screw-rod heat-pump cold and hot water unit are connected with the solution condensing device. The refrigerating and heating energy-saving system with the heat source tower of the invention has the advantages of capability of realizing refrigerating, heating and water heating functions, achieving an energy efficiency ratio (EER) of between 5.2 and 6.2, saving 35 percent of energy than the conventional technology and running continuously, high efficiency, no pollution, capability of running normally at the outdoor temperature of between 10 DEG C below zero and 45 DEG C, suitability for large-size industrial and civil buildings and relevant coal mine industry, small floor area, simple and convenient installation, safe and reliable running and capability of realizing unattended operation.

The invention provides an air conditioner system and a control method thereof. The air conditioner system comprises a compressor (1), an outdoor heat exchanger (2) and an indoor heat exchanger (3); an ejector (4) is further arranged between the outdoor heat exchanger (2) and the indoor heat exchanger (3); a gas-liquid separator (5) is further arranged between the ejector (4) and the indoor heat exchanger (3); and a liquid outlet (53) of the gas-liquid separator (5) is connected to the indoor heat exchanger (3). A refrigerant ejected out by the ejector is ejected into the gas-liquid separator to be subjected to gas-liquid separating, separated gas enters the compressor, and separated liquid enters the indoor heat exchanger, so that the dryness of the refrigerant entering the evaporator is effectively reduced, the heat exchanging efficiency of the evaporator is effectively improved, and the refrigeration capacity and refrigeration efficiency especially under the high temperature environment are improved.

The invention provides an ultralow-temperature overlapped triple generation heat pump unit.The ultralow-temperature overlapped triple generation heat pump unit is characterized in that a low-temperature heat pump system, a high-temperature heat pump system, a hot water producing device and a control center are included; the hot water producing device comprises a hot water producing heat exchanger, a circulating water pump is arranged at the cold water inlet end of the hot water heat exchanger, and an evaporation condenser is connected with a high-temperature throttling device through a high-temperature heat exchanger switching solenoid valve; the output end of a high-temperature part compressor is connected with the heat medium input end of the hot water producing heat exchanger, the heat medium output end of the hot water producing heat exchanger is connected with a high-temperature part four-way valve, and the high-temperature part four-way valve is controlled to control the output end of the high-temperature part compressor to be selectively communicated with a high-temperature part air cooling heat exchanger or a high-temperature part water side heat exchanger.The needs for air conditioner refrigeration and heating and domestic hot water can be met at the same time, an overlapped system is not started during refrigeration, single-stage compression is adopted for refrigeration, the system is simpler and better in energy saving effect, the overlapped system is adopted in the low-temperature heating process, and the heating energy efficiency is higher.

The invention relates to a first type lithium bromide absorption heat pump unit with double-effect refrigeration function, comprising a high-pressure steam generator (1), a composite generator (10), an evaporator (6), an absorber (5), a condenser (9), a high temperature heat exchanger (2), a heat exchanger (3) for condensate solution, a low temperature heat exchanger (4), a solution pump (7) and a cryogenic fluid pump (8). A steam heat exchanger pipe bundle (14) and a low heat exchanger pipe bundle (12) are both arranged in a cylinder to form the composite generator (10); a sprayer (15) for the dilute solution to enter into the composite generator and a dilute solution switching valve II (18) are both added at an entrance of the low temperature solution heat exchanger (4); a dilute solution switching valve I (17), a working steam switching valve I (21), a working steam switching valve II (22), a concentrated solution control valve (19) and a cryogen water adjusting device (20) are added on corresponding pipelines. With double-effect refrigeration operation function in summer, the first type lithium bromide absorption heat pump unit with double-effect refrigeration can not only meet the functions of refrigeration in summer and heating in winter, but also greatly save the energy.

The invention relates to a solar greenhouse roof power generation heating and refrigerating system of a high-rise building. According to the solar greenhouse roof power generation heating and refrigerating system of the high-rise building, the building roof is connected with a glass curtain wall and a standard steel frame through connecting pieces and makes up a fully closed roof solar greenhouse with a solar cell module. The solar cell module absorbs sunlight radiation energy and converts the sunlight radiation energy into electric energy; direct current is converted into alternating current through an inverter; the electricity can be generated at once when needing, a power grid is not needed, and the electricity is directly supplied for a double-source heat pump to prepare hot water and cold water for showering, heating and refrigerating. The solar greenhouse roof power generation heating and refrigerating system of the high-rise building is capable of meeting the heating, refrigerating and domestic hot water requirements of the first to thirtieth layers of high-rise residents through using solar energy and air energy.

The invention relates to a building combined cooling heating and power system and method based on a proton exchange membrane fuel cell. The system comprises a fuel cell module, a heat recovery module, a heat storage module and an electric energy management module. The heat recovery module is used for heating cooling water of the fuel cell module and supplying heat of the cooling water to the heat storage module through a heat exchanger; the heat storage module is connected with the heat exchanger through a buffer water tank to form a loop so as to recover heat of the cooling water and provide a heat source and a water source for heating equipment and a user hot water load respectively through a heat storage water tank; the electric energy management module includes a user electrical load and refrigeration equipment that may be powered by the fuel cell module. By heating the cooling water, the problem that the cathode side is frozen during cold start of the fuel cell is solved, the service life of the cell is prolonged, and the operation stability of the system is improved. Waste heat generated by operation of the fuel cell is reasonably utilized, an efficient combined cooling heating and power system is formed, and the comprehensive energy utilization rate of the system is increased.

The invention discloses an integrated air conditioner. The integrated air conditioner comprises a box body, an evaporator, an indoor side fan, a condenser, an outdoor side fan and a compressor, wherein the box body comprises a bottom plate and side plates connected with the bottom plate, the side plates are correspondingly provided with an indoor side air inlet assembly and an outdoor side air inlet assembly, the evaporator and the condenser are arranged in the box body and correspond to the indoor side air inlet assembly and the outdoor side air inlet assembly respectively, the outdoor side air inlet assembly communicates with a first through hole formed in the corresponding side plate, outdoor air flows to the condenser through the outdoor side air inlet assembly and the first through hole, the outdoor side air inlet assembly comprises an air duct connecting part connected with an external air duct, a side plate connecting part used for connecting the air duct connecting part to thecorresponding side plate, and an air guide plate arranged in the side plate connecting part, and the air guide plate is arranged in the direction of the air duct connecting part pointing to the firstthrough hole, and is used for guiding the outdoor air to the condenser. The utilization rate of the condenser is improved, and then the heat exchange effect of the condenser is improved.

The invention relates to an automotive thermal management system and an electric vehicle. The automotive thermal management system includes a heat pump air-conditioner system and a cup holder device.The heat pump air conditioner system includes an HVAC assembly, a compressor and an outdoor heat exchanger. The HVAC assembly includes an indoor condenser, an indoor evaporator and an air door mechanism, the air door mechanism selectively leads to an air passage of the indoor condenser and / or an air passage of the indoor evaporator in a communication mode, the cup holder device includes a cup holder and a cup holder heat exchange tube, and the outlet of the compressor is communicated with the indoor condenser, a first outlet of the indoor condenser is selectively in communication with the inlet of the outdoor heat exchanger through a first throttle branch or a second throttle branch, a second outlet is selectively communicated with the inlet end of the cup holder heat exchange tube througha third throttle branch or a third through-flow branch, the outdoor heat exchanger and the cup holder heat exchange tube are selectively communicated with the indoor evaporator through a second throttle branch or a second through-flow branch, the outlet of the indoor evaporator is communicated with the compressor, and effects of improving heat exchange efficiency and saving energy are achieved.

The invention provides a solar air conditioner system and belongs to the field of solar energy. The solar air conditioner system comprises a heat collector, a circulating pump I, a heat storage water tank, an automatic control system, a circulating pump II, an auxiliary heat source, a heating machine, a refrigerating machine, a cold water tank, a cooling tower, a draught fan and an air conditioner air outlet. The input end of the heat collector is connected with the output end of the circulating pump I. The output end of the heat collector is connected with the heat storage water tank. The input end of the circulating pump I is connected with the heat storage water tank. The output end of the heat storage water tank is connected with the heating machine and the refrigerating machine. The output end of the draught fan is connected with the heating machine and the refrigerating machine. An air outlet of the heating machine and an air outlet of the refrigerating machine are connected with the air conditioner air outlet. A cold water loop of the heating machine and a cold water loop of the refrigerating machine are connected with the cold water tank through the cooling tower. The cold water tank is connected with the heat storage water tank through the circulating pump II.

The invention relates to an automotive thermal management system and an electric automobile. The automotive thermal management system includes a heat pump air conditioning system and a cup holder device; the heat pump air conditioning system includes a compressor, an indoor condenser, an indoor evaporator and an outdoor heat exchanger; an outlet of the compressor is communicated with the indoor condenser, a first outlet of the indoor condenser is selectively communicated with an inlet of the outdoor heat exchanger through a first throttle branch or a second throttle branch, a second outlet ofthe indoor condenser is selectively communicated with an inlet end of a cup holder heat exchange tube through a third throttle branch or a third through-flow branch, the outdoor heat exchanger and thecup holder heat exchange tube are selectively communicated with the indoor evaporator through a second throttle branch or a second through-flow branch, and an outlet of the indoor evaporator is communicated with the compressor As a result, the effect of improving heat exchange efficiency and saving energy can be achieved.

The invention discloses an air conditioning cabinet. An air inlet, a first air outlet and a second air outlet are formed in a casing of the air conditioning cabinet; the first air outlet is in a shape of a strip, and the length direction of the first air outlet is in a vertical direction; and the second air outlet is formed above the first air outlet, and air blown from the second air outlet has a component blown in a horizontal direction. According to the technical scheme, the first air outlet is vertically formed in the casing, so that the air volume is large, quick cooling or heating of space can be realized, and the quick cooling or heating requirement of a user is satisfied; the second air outlet is formed above the first air outlet, and the air blown from the second air outlet has a horizontal component and a vertical component, so that uniform cooling of large space can be guaranteed, a human body cannot be directly blown, and the comfort of the user is guaranteed.

The invention discloses a refrigerating plant which comprises a compressor, a control device, a condenser, an evaporator and a control pipeline. The compressor comprises a shell. A normal running air cylinder and a volume-variable air cylinder are arranged in the shell. The normal running air cylinder is provided with a normal running air suction port. The volume-variable air cylinder is provided with a volume-variable air suction port. The control device comprises a first control port, a second control port, a third control port and a fourth control port. One end of the condenser is connected with the first control port. One end of the evaporator is connected with the fourth control port. The other end of the evaporator is connected with the other end of the condenser. The control pipeline is connected between one end of the condenser and the volume-variable air suction port. According to the refrigerating plant, the control pipeline is additionally arranged between one end of the condenser and the volume-variable air suction port, and therefore the change of the volume of the compressor can be controlled through the pressure difference; and the normal running air cylinder works during refrigerating, the normal running air cylinder and the volume-variable air cylinder both work during heating, and therefore the requirements for heating and refrigerating are met. Meanwhile, the refrigerating plant is simple in structure, convenient to control and low in cost.

The invention discloses a heating, ventilating and air conditioning system of a low-floor light rail vehicle. The heating, ventilating and air conditioning system of the low-floor light rail vehicle comprises a first air supply and return unit arranged in a passenger room and a second air supply and return unit arranged in a cab. According to the first air supply and return unit, the air inflow and outflow mode that air is supplied from the two sides and returns from the middle is adopted for a top plate of a compartment. A second air supply duct of the second air supply and return unit winds through vehicle window side glass and front window glass, air inlets are formed in the front and the side of a console, and an air return port is formed in the vehicle ceiling of the cab. The heating, ventilating and air conditioning system can meet the requirements for heating, ventilating, refrigerating and heating of the low-floor vehicle and meet the requirements for ventilating and temperature of the passenger room and the cab, uniformity of air outflow of air supply ports and uniformity of temperature in indoor space are guaranteed, fresh air can run through the whole vehicle space, and the comfort requirement of passengers is met. What is the most important, no extra structural arrangement is added, and the total vehicle weight, the vehicle power consumption and the power will not be increased.

The invention belongs to the field of energy source power engineering and relates to an auto-cascade heat pump circulating system. An outlet of a compressor is connected with an inlet of an oil-gas separator. An opening A, an opening B, an opening C and an opening D of a four-way valve are connected with an outlet of the oil-gas separator, a second end opening of an evaporator, an inlet of a gas-liquid separator and a first end opening of an air cooled condenser correspondingly. An inlet of a separation liquid storage device is connected with a second end opening of the air cooled condenser and a first end opening of the evaporator. A liquid phase outlet of the separation liquid storage device is connected with a first inlet of an evaporation type condenser through a first throttling assembly. A gas phase outlet of the separation liquid storage device is connected with a second inlet of the evaporation type condenser. A first outlet of the evaporation type condenser is connected with an inlet of the compressor. A second outlet of the evaporation type condenser is connected with a second end opening of an air cooled condenser and a first end opening of the evaporator through a second throttling assembly. The auto-cascade heat pump circulating system overcomes the existing theory limitation and technological bias and is wide in application working condition range, high in energyefficiency ratio and small in attenuation under the low-temperature working condition.

The invention discloses an automobile thermal management system and an electric automobile. The automobile thermal management system comprises a heat pump air conditioning system and a cup holder device, the heat pump air conditioning system comprises a compressor, an indoor condenser, an indoor evaporator and an outdoor heat exchanger, and the cup holder device comprises a cup holder and a cup holder heat exchange tube which is in contact heat transfer with the cup holder; an outlet of the compressor is communicated with an inlet of the indoor condenser, a first outlet of the indoor condenseris selectively connected with an inlet of the outdoor heat exchanger through a first throttle branch or a first through-flow branch, a second outlet of the indoor condenser is selectively connected with an inlet end of the cup holder heat exchange tube through a third throttle branch or a third through-flow branch, an outlet of the outdoor heat exchanger and an outlet end of the cup holder heat exchange tube are both selectively communicated with an inlet of the compressor through a second through-flow branch or with an inlet of the indoor evaporator through a second throttle branch, and an outlet of the indoor evaporator is communicated with the inlet of the compressor. As a result, the cup holder has a more pronounced cooling and heating effect and higher efficiency.

An energy-saving vehicle air conditioner is characterized in that the air conditioner is mounted at a position close to a water tank on a vehicle, a working machine A and a working machine B are mounted in a shell of the air conditioner, cold and hot air outlets are formed in the working machine A and the working machine B and are connected through a heat source pipe and a hydrogen pipe, lanthanum nickel hydrogen storage alloy boxes are arranged in the working machine A and the working machine B, and fans are arranged behind the lanthanum nickel hydrogen storage alloy boxes. When the inside of a cab needs to be cooled, a switch of the heat source pipe is switched on, hot water can flow into a gap formed by the lanthanum nickel hydrogen storage alloy boxes, hydrogen flows to the working machine B from the hydrogen pipe and is released from the inside of the lanthanum nickel hydrogen storage alloy boxes, heat is absorbed, the temperature in the working machine A is reduced to generate cold air, the cold air is blown into the cab by the rear fans, and the temperature in the cab can be reduced. Conversely, when the temperature in the cab needs to rise, the hydrogen in the working machine B flows into the working machine A to release the heat, and the inside of the cab is warm.

The invention relates to a total heat recovery combustion gas-air energy composite heat pump hot-cold combined supply unit, and belongs to the heating ventilation heat supply technical field; the total heat recovery combustion gas-air energy composite heat pump hot-cold combined supply unit comprises a total premix condensing heat supply machine, an air energy heat pump hot-cold combined supply triple-purpose machine, a hot-cold combined supply pipeline module, and corresponding connecting pipes; a condenser can recover and utilize flue gas waste heat of the combustion gas heat supply equipment, and an evaporator of the air energy heat pump can absorb residual low grade (temperature lower than 70 DEG C) flue gas waste heat, so the smoke evacuation temperature of the combustion gas heat supply equipment can be reduced to room temperature, thus realizing flue gas full recovery utilization of the combustion gas heat supply equipment; the total heat recovery combustion gas-air energy composite heat pump hot-cold combined supply unit can solve the winter air energy heat pump high efficiency operation problems, can simultaneously reduce nitrogen oxide discharged into the atmosphere, thus protecting environment, and realizing energy saving and emission reduction.

The invention discloses a remote management method for a thermal system of a hybrid vehicle. The remote management method comprises the steps that remote transmission data of an ECU of a new energy electric vehicle is acquired; at a remote management software terminal, the remote transmitting data of the new energy electric vehicle is subjected to processing including error correction and validation, interpolation, and redundancy check to obtain a remote transmission data segment to be processed; and the remote transmission data satisfying the requirements is processed by the TPEG decoding algorithm; the remote transmission data segment to be processed is subjected to data reduction operation; the remote transmission data obtained by the data reduction is analyzed and compared; and the software terminal which meets upgrade conditions is upgraded according to the comparison result, the upgrade operation is performed by calling a software upgrade function module, and the software upgradefunction module mainly includes analysis of original upgrade files and is used for installing the original upgrade files.

The invention discloses a solar-assisted air source trans-critical carbon dioxide multifunctional heat pump system, which comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger, a domestic water tank heat exchanger, a heat regenerator, a four-way reversing valve, a throttling switching system and a solar heat collecting system, wherein the solar heat collecting system comprises a solar heat collector and a refrigerant-water heat exchanger or a solar heat collector / evaporator. The multifunctional heat pump system integrates a trans-critical carbon dioxide heat pump system with a water heater in a quite simple, economic and reliable manner, solar energy is fully used, and the multifunctional heat pump system is particularly applicable to occasions abundant in solar energy and needing air conditioners and a great deal of high-temperature hot water supply simultaneously. By the aid of the multifunctional heat pump system, energy use ratio and equipment use ratio are increased, and environmental pollution is reduced.

The invention provides a battery thermal management system for a vehicle and belongs to the field of batteries. The system comprises: a thermoelectric semiconductor heat exchange unit including a thermoelectric semiconductor, a first air heat exchanger and a second air heat exchanger, wherein the first air heat exchanger has one end connected to a first air inlet pipeline and the other end connected to a first air outlet pipeline, the second air heat exchanger has one end connected to a second air inlet pipeline and the other end connected to a second air outlet pipeline; a battery pack havingone end connected to the first air outlet pipeline and the other end connected to a third air outlet pipeline; a fan unit disposed downstream of the third air outlet pipeline and the second air outlet pipeline and configured to discharge the airflow of the third air outlet pipeline and the second air outlet pipeline out of the vehicle; and a control unit connected to the thermoelectric semiconductor heat exchange unit and the fan unit and configured to control the voltage applied to the thermoelectric semiconductor and the power of the fan unit according to the temperature of the battery pack. The battery thermal management system of the invention has a good cooling effect, a simple system and low cost.

The invention provides an air guide mechanism of an air conditioner and the air conditioner, and relates to the field of air conditioning equipment. The air guide mechanism of the air conditioner comprises a first drive motor, a second drive motor, an air guide door, a first connecting rod and a second connecting rod, wherein the first drive motor is connected with a first rotary center on the first connecting rod; the second drive motor is connected with a second rotary center on the second connecting rod; one end, away from the first rotary center, of the first connecting rod is hinged withone end of the air guide door, the first connecting rod can slide relative to the air guide door; and one end, away from the second rotary center, of the second connecting rod is hinged with the otherend of the air guide door. Compared with the prior art, the air guide mechanism of the air conditioner has the advantages that the first connecting rod and the second connecting rod which are arranged in the spaced mode as well as the air guide door which is separately hinged with the first connecting rod and the second connecting rod are adopted, so that air guide angle requirements of refrigerating or heating can be met through a simple and reliable motion process; and moreover, the air guide mechanism is simple in structure, is fewer in components and is high in comfort.

The invention provides an air guide device of an air conditioner, and the air conditioner, and relates to the field of air conditioner equipment. The air guide device of the air conditioner comprisesa driving motor, an air door, a first gear, a second gear, a first connecting rod, a second connecting rod, a limited slip part and a stop catch part. The driving motor is connected to the first gearconnected to the second gear through the limited slip part, and the limited slip part is used for selectively enabling the first gear and the second gear to rotate synchronously; the stop catch part is used for selectively abutting the second connecting rod, and the fist gear is rotated relative to the second gear when the stop catch part abuts against the second connecting rod. Compared with theprior art, the air guide device of the air conditioner has the advantages that the requirements of an air guide angle for refrigeration or heating can be met through the simple and reliable movement process since the first gear connected to the second gear through the limited slip part, and the air door hinged with the first connecting rod and the second connecting rod separately are adopted; andthe air guide device is simple in structure, low in number of parts and high in degree of comfort.