43results about How to "Rapid cooling and heating" patented technology

The invention provides an intelligent controller used for a direct current (DC) frequency-conversion air conditioner compressor and a technical proposal of the control method thereof; the hardware proposal comprises a rectifier filter circuit and a power module which are electrically connected sequentially; the rectifier filter circuit (220) is also electrically connected with a single DSP controller used as a core processing unit by a switch power supply (240); the single DSP controller is also respectively and electrically connected with the power module, a communication isolation circuit which is used for communicating with the indoor machine of the air conditioner, a fan driving circuit (280), and a temperature sampling circuit (270); the control method comprises the steps as follows:the control software is embedded in the DSP controller; by a control type of dual close-ring FOC no-sensor magnetic field vector, the current ring at the internal ring realizes the decoupling controlto the driving current of the permanent magnetic synchronous motor of a compressor and indirectly controls the output torque of the motor; the speed ring at the external ring is used for controlling the working frequency of the compressor, thus not only meeting the stable requirement during fixed frequency but also meeting the dynamic response during the frequency conversion; and the control software comprises a primitive recursive function and a main interrupt function.

The invention provides an air conditioning compressor frequency control method. The method comprises that an air conditioning detects the indoor temperature T [indoor], wherein Pn= T [set]-T [indoor]; Pn is compared with a preset temperature difference, the air conditioning runs at the highest frequency when the temperature difference is large, and the work frequency of the compressor is corrected through an increment PID algorithm when the temperature difference is small, accordingly, rapid refrigeration and heating can be achieved. By the aid of the method, the frequency is controlled to be reduced stably through the PID algorithm, the temperature is kept at a 0.5-degree static difference and is kept at the set temperature finally, the problems of stopping caused by temperature over-regulation can be solved, the air conditioning runs stably, and the user experience is good; when the set temperature and the air speed are changed, the compressor running frequency can respond to changes of the temperature timely, and the frequency is improved and reduced effectively; moreover, the frequency can be adjusted according to the environment temperature, so that the air conditioning stable running can be guaranteed, and the temperature can be adjusted rapidly.

The invention discloses a power battery automatic control thermal management system based on phase change energy storage and thermoelectric effect, which comprises a battery pack module, a gravity heat pipe pack and a temperature automatic control module, wherein, the battery pack module comprises a single battery, a composite phase change material hollow cylinder and an aluminum base shell; The gravity heat pipe group comprises a plurality of gravity heat pipes; The temperature automatic control module comprises a semiconductor thermoelectric wafer soaking plate sub-module and a temperature measuring thermocouple distributed in each battery sub-module. The semiconductor thermoelectric wafer soaking plate module comprises a semiconductor thermoelectric wafer, a soaking plate, fins, and a temperature measuring thermocouple is used for adjusting the positive connection and the negative connection of the semiconductor thermoelectric wafer according to the measured temperature. Compared with the prior art, the invention can effectively solve the problem of thermal management and control of the power battery by improving the structure and setting mode of the key module components, the internal structure and the working mode of mutual cooperation among the module components, and the like.

The invention relates to a management system of a battery pack, in particular to a heat management system and method of a power battery pack. The system comprises a thermistor, a semiconductor refrigeration device, a heat pipe, a circuit control device and a battery management system, wherein the thermistor and the heat pipe are arranged in a battery box body and are positioned between battery modules; one end of the heat pipe is connected with a heat absorption sheet positioned between the battery modules; the other end of the heat pipe is connected with the semiconductor refrigeration device arranged at the outer side of the battery box body through an aluminum plate; the semiconductor refrigeration device is connected with a power supply converter through the circuit control device; the circuit control device provides positive voltage and reverse voltage for the semiconductor refrigeration device; the thermistor and the circuit control device are connected with the battery management system; the battery management system monitors the temperature inside the battery box body. The two-way control of refrigeration and heating on the battery pack can be realized by using one set of system; the structure is simple; the cost is low; the reliability is high; the maintenance is easy; the service life is long; the temperature control is good.

The invention discloses a scroll compressor. The scroll compressor comprises an upper support and an upper cover, wherein the upper support and the upper cover are connected. A movable scroll plate is arranged in the upper support and in the upper cover. A static scroll plate is coaxially arranged on the side, close to the upper cover, of the movable scroll plate. An elastic circular ring is coaxially arranged on the side, close to the upper support, of the movable scroll plate. The upper support is provided with an inner supporting part and an outer supporting part, wherein the inner supporting part and the outer supporting part are matched with the elastic circular ring. A suspended part is formed between the inner supporting part and the outer supporting part. A back pressure sealing groove is formed in the bottom face of the suspended part. A back pressure sealing ring tightly attached to the elastic circular ring is arranged in the back pressure sealing groove. A back pressure cavity and an air sucking cavity which communicate with the suspended part are formed in the upper support. An exhaust cavity communicating with the back pressure cavity is formed in the upper cover. A compression cavity communicating with the air sucking cavity and the exhaust cavity is formed between the movable scroll plate and the static scroll plate. The scroll compressor is sufficient and reliable in sealing effect, and the technology difficulty of a sealing structure of the scroll compressor is low.

The invention discloses an air conditioner indoor unit and an air conditioner. The air conditioner indoor unit comprises a surface frame, an airless part, a heat exchanger and a fan. A first air outlet is formed in the front lower portion of the surface frame, the first air outlet runs through the front portion of the surface frame forwards, and the first air outlet runs through the bottom of thesurface frame downwards, and second air outlets are formed in at least one of the left side of the surface frame and the right side of the surface frame; the airless part is movably arranged on the front side of the surface frame between a first position and a second position, and the airless part comprises a first panel. When the airless part is located at the first position, the first panel opens the first air outlet; when the airless part is located at the second position, the first panel closes the first air outlet. According to the air conditioner indoor unit, the first air outlet and thesecond air inlets are formed in the surface frame, it can be achieved that air comes out at multiple angles, the air-outlet volume is increased, the air-outlet range is widened, quick refrigeration and heating of the air conditioner indoor unit are achieved, and the working efficiency of the air conditioner indoor unit is improved.

The invention provides a solar semiconductor indoor environment conditioning window, and belongs to the technical field of air conditioners. According to the solar semiconductor indoor environment conditioning window, energy is provided by solar energy, and the indoor temperature environment is conditioned through a semiconductor refrigeration and heating sheet. The solar semiconductor indoor environment conditioning window comprises a support and a plurality of fixing boards arranged on the support, and the fixing boards and the support are arranged in a shutter mode. The solar semiconductor indoor environment conditioning window is characterized in that solar photovoltaic conversion boards are arranged on the upper surfaces of the fixing boards, and the output ends of the solar photovoltaic conversion boards are connected with the input end of the semiconductor refrigeration and heating sheet.

The invention provides an air conditioner and a control method for achieving rapid heating and cooling of the air conditioner. The control method comprises the following steps that an operation mode is automatically determined according to current indoor environment temperature, and the current indoor environment is heated or cooled according to the determined operation mode; the indoor environment temperature is increased or decreased to the current indoor environment reference temperature corresponding to the operation mode; and after the indoor environment reference temperature reaches a first preset temperature set by the automatic mode, the temperature is automatically adjusted to a second preset temperature set by the automatic mode, and the operation state of the air conditioner isadjusted according to the second preset temperature set corresponding to the current mode. By means of the control method for achieving the automatic mode of rapid heating and cooling of the air conditioner, the purpose of rapid cooling and heating can be achieved, and the effect that users feel cool or warm rapidly after turning on the air conditioner is achieved.

An air conditioning device capable of eliminating air pollution is composed of a device body, upper air inlets, an upper cavity, a lower cavity, lower air outlets, stacked adsorption discs loaded in the device body and adsorbent nanogel. According to the indoor air conditioning device, an air inlet of an existing indoor air conditioner and an air inlet of an automobile air conditioner are each connected with a layered stacked type stacked disc in a matched manner for containing a nanogel cleaning agent, PM2.5 is purified away, and legionella is killed; the effects that refrigerating and heating pipes generate no dirty colloid and pollutant bonding, and draught fan blades generate no dirty colloid and pollutant bonding are achieved; effective purification, oxidization and decomposition are carried out on smoker smoke, PM2.5, legionella, viruses, influenza viruses, acarid, germs and mould smells; cleanliness of indoor air is effectively protected after startup; no PM2.5 circulating air exists in the indoor air; a filter screen is not needed; the air volume of the air conditioners is high; noise is low; the service time of a motor is long; much electricity is saved; and refrigerating and heating are fast.

The invention discloses an air conditioner refrigeration and heating control method and an air conditioner, wherein the method comprises the steps: a controller of the air conditioner detects the temperature of an outer ring after receiving a starting instruction, and enters a refrigeration and heating starting mode after the temperature of the outer ring meets a refrigeration and heating startingcondition; a compressor is controlled to be started at a preset target frequency and the starting opening degree, corresponding to the target frequency, of an electronic expansion valve, and after starting is conducted for preset time, the frequency with the smaller numerical value in the outer ring temperature frequency and the indoor windshield frequency limiting frequency is compared with thetarget frequency; if the frequency is smaller than the target frequency, the compressor is controlled to operate at the target frequency and the corresponding starting opening degree; otherwise, the compressor is controlled to operate at the frequency with the smaller numerical value in the outer ring temperature frequency and the indoor windshield frequency limiting frequency and the starting opening degree corresponding to the smaller frequency. Under the condition that the running reliability and low-noise running of the air conditioner are guaranteed, rapid refrigerating and heating are achieved, and the refrigerating and heating effects are guaranteed.

The invention provides a self-refrigerating or self-heating ring-pull can. The self-refrigerating or self-heating ring-pull can comprises a can body, a sealing cover, a base and a partition layer. A protruding beverage opening is formed in the sealing cover. A sealing piece and a pull ring are mounted on the beverage opening. The sealing piece is connected with the beverage opening in a press-fit manner. The outer ring of the pull ring is fixedly connected with the extension portion of the sealing piece. The partition layer is located in an inner cavity of the ring-pull can and partitions the cavity into two parts. The left cavity body is used for containing beverages or food. The right cavity body is a reaction chamber. A baffle is arranged in the middle of the reaction chamber. The upper portion of the reaction chamber is a powder chamber, and the lower portion of the reaction chamber is a liquid chamber. A reaction trigger device is arranged on the powder chamber and comprises a stress gun and a stabilizing wall. The stabilizing wall is connected with the can body and the partition layer in a non-detachable manner. The portion, connected with the stabilizing wall, of the partition layer is provided with a circular-arc-shaped fixing groove. The self-refrigerating or self-heating ring-pull can is easy to design, easy to operate and convenient to apply and popularize.

The invention discloses a refrigeration and heating circulating system which comprises a liquid accumulator, a compressor, a condenser, an evaporator, a flash vessel, a first throttling device and a second throttling device. When the refrigeration and heating circulating system runs under a small-load working condition, high-pressure refrigerant is pumped into a middle air inlet cavity through an air suction opening, and a control device controls the middle air inlet cavity and a middle air outlet cavity to be communicated. When the refrigeration and heating circulating system stably runs under a large-load and ultralow-temperature heating working condition, medium-pressure refrigerant is pumped into the middle air inlet cavity through the air suction opening, and the control device controls the middle air inlet cavity and the air outlet cavity to be communicated. When the refrigeration and heating circulating system runs under the other large-load working conditions except ultralow-temperature heating, low-pressure refrigerant is pumped into the middle air inlet cavity through the air suction opening, and the control device controls the middle air inlet cavity and the middle air outlet cavity to be separated. The refrigeration and heating circulating system can effectively achieve fast heating and refrigeration.

The invention discloses a semiconductor air-conditioner control system and a cooling and heating control method thereof and belongs to the technical field of semiconductor air-conditioner control. Thesemiconductor air-conditioner control system and the cooling and heating control method thereof aim at achieving the technical effects that a hardware structure of the semiconductor air-conditioner control system is provided, and the cooling and heating control method of the semiconductor air-conditioner control system is improved. According to the technical scheme, the semiconductor air-conditioner control system comprises a variable frequency compressor, a four-way reversing valve, an outdoor side heat exchanger and an indoor side heat exchanger; an external connection pipe of the variablefrequency compressor is connected with the outdoor side heat exchanger and the indoor side heat exchanger through the four-way reversing valve; the outdoor side heat exchanger is connected with the indoor side heat exchanger through a pipe; a connection pipe of the four-way reversing valve and the indoor side heat exchanger is further in series connection with a semiconductor heat exchange module;and a connection pipe of the outdoor side heat exchanger and the indoor side heat exchanger is further in series connection with the semiconductor heat exchange module. The semiconductor air-conditioner control system is applied to a semiconductor air-conditioner.

The invention discloses a cooling and heating mattress or a cooling and heating seat cushion taking a heat pipe as a heat exchange element. The mattress or the seat cushion comprises a cushion body and a host, wherein the cushion body is internally provided with a heat conduction pipe and a connection flexible pipe; the host is internally provided with a radiator, a cooling and heating device, a liquid sucking core, a liquid storage device and a temperature control device; one end of the heat conduction pipe is connected to the pipe wall of the liquid sucking core; the other end of the heat conduction pipe is uniformly distributed in the cushion body and is subsequently connected with the liquid storage device; the liquid sucking core is arranged at the upper part of the liquid storage device; the cooling and heating device is arranged between the radiator and the liquid sucking core; the temperature control device is provided with a control key for controlling the temperature of the whole host; the cold and the heat are conducted between the host and the cushion body by using the same heat pipe. The mattress or the seat cushion takes the heat pipe as the heat exchange element; the cold and the heat are quickly transmitted to the cushion body by the heat conduction pipe, so that the purpose of quickly cooling and heating is achieved. The mattress or the seat cushion is reasonable and simple in structure; the production efficiency of enterprises can be greatly increased; relatively great economical benefits are brought to the enterprises; the costs of the users can be saved.

The invention provides an air conditioner and a control method and a control device thereof and a computer readable storage medium. A first switching device is arranged on at least one of a first pipeline and a second pipeline, and is used for controlling connection and disconnection of the pipeline; and a controller is electrically connected with a throttling mechanism, and is used for closing the throttling mechanism in response to a closing instruction to cut off a third pipeline to stop emigration or immigration of refrigerants in an indoor heat exchanger or an outdoor heat exchanger. Theair conditioner can maintain the refrigerant distribution in a distribution state during stable refrigeration or heating operation in a stop state, can quickly build a balanced high-low system pressure difference in next startup, reduces the system stabilizing time after startup, and realizes quick refrigeration and heating.

The invention belongs to the field of air conditioners, and particularly relates to an air conditioner with a double-stage flow guide system for single-centrifugal up-and-down air outlet. The air conditioner comprises an air duct component, a flow guide plate and a heat exchanger component, wherein the flow guide plate is positioned between the air duct component and the heat exchanger component;the flow guide plate is fixedly arranged on one side, close to the air duct component, of the heat exchanger component ; the air duct component comprises an air duct and a flow guide ring arranged onthe air duct; the heat exchanger component comprises an evaporator support and an evaporator fixedly arranged on the evaporator support; the air conditioner further solves the problem that noise is generated at an air inlet of a cabinet air conditioner capable of achieving up-and-down air outlet through single centrifugation, and solves the problem that air inlet of one side of the air inlet position of a single centrifugal fan is not smooth; a refrigeration and heating replacement effect of the air conditioner is enhanced; the rapid refrigeration and heating of the air conditioner are furtherenhanced; the heat exchange effect difference between the center position of the heat exchanger and the upper position of the heat exchanger and between the center position of the heat exchanger andthe lower position of the heat exchanger is reduced; the problem that the air speed of the center position of a single centrifugal fan is high is solved; and the air inlet uniformity of the air inletside of the air conditioner is enhanced.

The invention discloses a cooling and heating mattress or cushion using a heat pipe as a heat exchange element. The cooling and heating mattress or cushion comprises a mattress (cushion) body and a host machine, wherein a conduction heat pipe and a connecting hose are arranged inside the mattress (cushion) body; a heat radiator, a refrigeration and heating device, an energy accumulation core, an energy accumulator and a temperature control device are arranged inside the host machine; one end of the conduction heat pipe is connected onto the inlet pipe wall of the energy accumulator; the other end of the conduction heat pipe is uniformly distributed in the mattress (cushion) body and is then connected with the output pipe wall of the energy accumulator; the energy accumulation core is positioned in the energy accumulator; the refrigeration and heating device is arranged between the heat radiator and the energy accumulator; control press keys are arranged on the temperature control device; the temperature control device is used for controlling the temperature condition of the whole host machine; the cold and heat conduction between the host machine and the mattress (cushion) body is performed by adopting the same heat pipe. The cooling and heating mattress or cushion has the advantages that the heat pipe is used as the heat exchange element, and the cold and heat quantity is fast transferred to the mattress (cushion) body through the conduction heat pipe, so that the goals of fast refrigeration and heating are achieved; the structure is reasonable and simple, the production efficiency of enterprises can be greatly improved; greater economic benefits can be created for enterprises, and the expense can be saved for users.