999results about How to "Guaranteed heating effect" patented technology

The invention belongs to the field of control of household appliances and particularly relates to an air conditioner and a filth blockage detection control method and device therefor. The device can be installed on an indoor unit of the air conditioner or an outdoor unit of the air conditioner, so that the corresponding air conditioner, the indoor unit thereof and the outdoor unit thereof are also provided. The method has the advantages that filth blockage of a filter screen of the indoor unit and / or a heat exchanger of the outdoor unit can be accurately detected; if filth blockage is detected, the indoor unit displays the filth blockage state through a filth blockage reminder unit to remind a user of handling; the outdoor unit directly controls a motor positively and reversely rotate to allow automatic dust removal after the air conditioner is off, and manual intervention is not required; the technical problem that the prior art fails to accurately detect the filth blockage state of the filter screen of the air conditioner and / or the heat exchanger of the air conditioner is solved; the demand of users for accurate detection and timely dust removal is met; the device and the method are also applicable to variable frequency machines and fixed frequency machines and is insusceptible to voltage of users' power grids; cooling and heating effects of the air conditioner are guaranteed; health of users and comfort are improved.

The invention provides a power-dissipation-free and energy-saving type start protector of a single phase AC motor and belongs to the technical field of refrigeration compressors. The power-dissipation-free and energy-saving type start protector comprises a shell, a shell cover, an overload protector, a power-dissipation-free starter and an external terminal mechanism. The shell is provided with an overload protector seat, a power-dissipation-free starter accommodation cavity, an external terminal mechanism cavity and a start controller accommodation cavity. The shell cover is provided with a first three-terminal jack and a second three-terminal jack. The overload protector is arranged in an overload protector accommodation cavity. The power-dissipation-free starter comprises a power-dissipation-free starter body and a start controller. The external terminal mechanism is matched with the external terminal mechanism cavity. The start protector is characterized in that the external terminal mechanism cavity comprises a first insertion cavity, a second insertion cavity and a third insertion cavity, the second insertion cavity is formed in the left side of the shell, and the bottom wall of the second insertion cavity is provided with a second shell insertion groove; the first insertion cavity and the third insertion cavity are formed in the right side of the shell, a first shell insertion groove is formed in the bottom wall of the first insertion cavity, and a third shell insertion groove is formed in the bottom wall of the third insertion cavity; the external terminal mechanism comprises a first insertion piece and a second insertion piece, the first insertion piece is matched with the second shell insertion groove in an inserted mode, and the second insertion piece is matched with the first shell insertion groove in an inserted mode.

The invention provides a control method for increasing low-temperature heating heat of a varied-frequency air conditioner. After an outdoor electronic control chip of the air conditioner receives an instruction to start an indoor low-temperature heating mode, the method comprises the following steps: step 1: the outdoor electronic control chip responses outdoor ambient temperature and environmentrelative humidity so that the air conditioner can enters into a corresponding low-temperature heating running state; and step 2: after the air conditioner enters into a low-temperature heating running state, a compressor runs for a corresponding heating time according to a designated heating frequency, then the air conditioner enters into a defrosting operation and an outdoor heat exchanger of the air conditioner can be defrosted through reversing a four-way valve in the air conditioner, wherein before the defrosting operation in the step 2 and in the entire process of defrosting operation, the operation frequency and time of the compressor can be changed on condition that the compressor of the air conditioner keeps running all the time. The method provided by the invention can response the changes of ambient temperature and relative humidity and can effectively improve low-temperature heating heat of the varied-frequency air conditioner.

The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner defrosting control method. In order to obtain the time for the air conditioner to enter the defrosting mode more accurately, the air conditioner defrosting control method provided by the invention comprises the steps of measuring the temperature of an outdoor unit coil under the condition that the air conditioner is in the heating working condition; acquiring the temperature attenuation degree of the outdoor unit coil within the first preset time; and judging whether to enable the air conditioner to enter the defrosting mode according to the temperature attenuation degree of the outdoor unit coil. Since the temperature attenuation of the outdoor unit coil before and after frosting is obvious, the frosting quantity of the air conditioner outdoor unit can be represented accurately according to the temperature attenuation degree of the outdoor unit coil, and the accuracy of selecting the time for the air conditioner to enter the defrosting mode is improved, so that false defrosting, excessive defrosting and other phenomena are avoided effectively.

The invention belongs to the technical field of air conditioners and particularly relates to an air conditioner defrosting control method. The problem that in an existing defrosting mode, failures occur to a defrosting sensor of an outdoor unit, and thus an air conditioner cannot be normally defrosted is solved. The air conditioner defrosting control method comprises the following steps that underthe situation that the air conditioner operates in a heating mode, the temperature of an indoor unit coil pipe is detected; the continuous operating time of a compressor is detected; and according tothe temperature of the indoor unit coil pipe and the continuous operating time of the compressor, whether the air conditioner is made to enter into a defrosting mode or not is judged. The air conditioner defrosting control method is independent of the outdoor unit defrosting sensor, the opportunity that the air conditioner enters into the defrosting mode is controlled only according to the temperature of the indoor unit coil pipe and the continuous operating time of the compressor, thus the air conditioner can defrost in time, and the heating effect is ensured accordingly.

The invention discloses a method for filth blockage control of an air conditioner. The method for filth blockage control comprises: acquiring real-time power of a motor, considering influence of air conditioner input voltage, heat exchanger temperature and wind guiding angles on power of the motor, to correct the real-time power of the motor, so as to obtain a new filth blockage value, then comparing the new filth blockage value with a preset filth blockage standard value which is corresponding to the rotating speed same with the rotating speed of the motor, to determine whether the air conditioner meets filth blockage conditions; and when the air conditioner meets the filth blockage conditions, prompting users to perform filth blockage processing. The invention also discloses a device for filth blockage control and an air conditioner indoor unit. The method and the device can accurately detect filth blockage conditions and timely dedusting requirement of an indoor heat exchanger and / or a filter screen, and the method and the device are not influenced by network voltage of a user, temperature of a heat exchanger, and wind-guiding angles and other factors, and refrigeration and heating effects of the air conditioner are ensured, and user health degree and comfortableness are further improved.

The invention belongs to the technical field of air-conditioners and particularly relates to an air-conditioner defrosting control method. In order to judge an opportunity for defrosting more accurately, the air-conditioner defrosting control method comprises the following steps that under the circumstance that an air-conditioner is under a heating working condition, temperature of an outdoor unit coiler is detected; attenuation values of the temperature of the outdoor unit coiler are obtained every first preset time; a difference value between the attenuation values of the temperature of the outdoor unit coiler is calculated and obtained; and whether the air-conditioner enters a defrosting mode or not is judged according to the difference value between the attenuation values of the temperature of the outdoor unit coiler. According to the method, by obtaining the difference value between the attenuation values of the temperature of the outdoor unit coiler, the frosting level of the outdoor unit coiler can be judged more accurately, thus, the defrosting opportunity can be selected more accurately, and the false defrosting phenomenon caused by instant frosting can be effectively avoided.

The invention discloses an energy-saving type single-phase alternating current machine starting protector, and belongs to the technical field of refrigerating compressor. The energy-saving type single-phase alternating current machine starting protector comprises a shell, a single-phase alternating current machine starter, a single-phase alternating current machine protector and a shell cover; a positive temperature coefficient thermistor cavity and a single-phase alternating current machine protector cavity are formed in a shell cavity; the single-phase alternating current machine starter comprises a positive temperature coefficient thermistor, a first pin and a second pin; the single-phase alternating current machine protector is arranged in the single-phase alternating current machine protector cavity; the shell cover is matched with the shell. The energy-saving type single-phase alternating current machine starting protector is characterized in that a plug-in piece is extended from a reed of the first pin, and a plug-in-piece hole, a first pin hole, a second pin hole and a protector pin hole are formed in the shell; a pair of bottom-wall top embossments are formed in the cavity bottom wall of the positive temperature coefficient thermistor cavity, side-wall top embossments are formed in the side cavity walls and the rear cavity wall, the lower portion of the positive temperature coefficient thermistor is supported by the pair of bottom-wall top embossments, the front side of the positive temperature coefficient thermistor is contacted with the front cavity wall top embossments, and the rear side of the positive temperature coefficient thermistor is contacted with the rear cavity wall top embossments. The energy-saving type single-phase alternating current machine starting protector has the advantages that the energy-saving effect is good, the size is small, and the weight is light; the installation is convenient; a mold structure is simplified; electric short-circuit is prevented; the assembling efficiency is high.

The invention discloses a filth blockage control method of an air conditioner indoor unit. According to the filth blockage control method, firstly real-time power of a motor is obtained; then the influence of air conditioner input voltage, humidity and compressor frequency on motor power is considered, the real-time power of the motor is modified, and therefore a new filth blockage value is obtained; the new filth blockage value is compared with a preset filth blockage standard value corresponding to the rotating speed equal to that of the motor, and whether an air conditioner meets the filth blockage condition or not is judged; when the air conditioner meets the filth blockage condition, a warning message is sent to a user so as to warn the user to remove dust. Factors such as network voltage, environment humidity and compressor frequency which affect filth blockage judgment are considered so that the filth blockage situation of an outdoor heat exchanger and the demands for removing dust timely can be accurately detected; the influence of the factors such as user network voltage, air humidity and compressor frequency is avoided; the refrigeration and heating effects of the air conditioner are guaranteed, and the health degree and comfort of the user are further improved.

The invention discloses an energy-saving integrated type single-phase alternating current motor protection device and belongs to the technical field of refrigeration compressors. The energy-saving integrated type single-phase alternating current motor protection device comprises a shell, a single-phase alternating current motor starter, a single-phase alternating current motor protector and a shell cover. A positive temperature coefficient thermistor cavity and a single-phase alternating current motor protector cavity are formed inside a shell cavity in an enclosed mode. The single-phase alternating current motor starter comprises a positive temperature coefficient thermistor, a first pin and a second pin, a first pin transition sheet and a second pin transition sheet extend from the first pin and the second pin respectively, and a first pin reed and a second pin reed are arranged on the first pin transition sheet and the second pin transition sheet respectively. The single-phase alternating current motor protector is arranged inside the single-phase alternating current motor protector cavity. The shell cover is matched with the shell and is provided with a grounding pin, a pin N and a pin L. The energy-saving integrated type single-phase alternating current motor protection device is characterized in that a pair of bottom wall protrusions are formed on the bottom wall of the positive temperature coefficient thermistor cavity, and the front wall and the back wall of the positive temperature coefficient thermistor cavity are both provided with side wall protrusions. The energy-saving integrated type single-phase alternating current motor protection device is good in energy-saving effect, small in size, light in weight, convenient and quick to install, simplified in structure and capable of preventing electrical short circuits, and guarantees the stability and reliability standards of the pins.

The invention discloses an energy-saving type power-consumption-free single-phase alternating current motor starting protector with structure improvement, and belongs to the technical field of refrigeration compressors. The energy-saving type power-consumption-free single-phase alternating current motor starting protector comprises a shell body, a shell cover, an overload protector, a power-consumption-free starter and an externally connected terminal mechanism, wherein an overload protector containing cavity, a power-consumption-free starter containing cavity, an externally connected terminal mechanism insertion cavity and a starting controller containing cavity are defined by the shell body; the shell cover is matched with the shell body; the overload protector is arranged in the overload protector containing cavity; the power-consumption-free starter comprises a power-consumption-free starter body and a starting controller; the externally connected terminal mechanism is matched with the externally connected terminal mechanism insertion cavity in an inserting mode. The energy-saving type power-consumption-free single-phase alternating current motor starting protector is characterized in that externally connected terminal mechanism insertion cavity comprises a first insertion sheet cavity, a second insertion sheet cavity, a third insertion sheet cavity and a fourth insertion sheet cavity. The externally connected terminal mechanism comprises a first insertion sheet, a second insertion sheet, a third insertion sheet, a fourth insertion sheet and a fifth insertion sheet. The first insertion sheet is matched with the first insertion sheet cavity in an inserting mode, the second insertion sheet is matched with the second insertion sheet cavity in an inserting mode, the third insertion sheet is matched with the third insertion sheet cavity in an inserting mode, the fifth insertion sheet is matched with the fourth insertion sheet cavity in an inserting mode, the fourth insertion sheet is in electrical connection with the overload protector, and the first insertion sheet and the third insertion sheet serve as transfer terminals to be connected with an externally connected power source and a capacitor.

The invention discloses a hydropower dual-purpose heating system of a hybrid electric vehicle. The hydropower dual-purpose heating system comprises a water radiator, an electric heater, an engine control unit, a temperature sensor, an entire vehicle control unit and an air conditioner control unit, wherein the water radiator is connected with an engine cooling water cycle; the engine control unit is used for controlling opening and closing of an engine; the temperature sensor is used for detecting ambient temperature; the entire vehicle control unit is used for monitoring the entire vehicle operation state; and the air conditioner control unit is used for controlling to turn on the water radiator according to a running mode signal and an engine working state signal of the entire vehicle control unit and an ambient temperature signal from the temperature sensor, and controlling to turn on the electric heater according to the running mode signal and a battery SOC (State of Charge) signal of the entire vehicle control unit and the ambient temperature signal from the temperature sensor. The invention also discloses a hydropower dual-purpose heating control method of the hybrid electric vehicle. According to the hydropower dual-purpose heating system and the hydropower dual-purpose heating control method, the consumtion ofelectric energy and fuel is optimized on the premise of guaranteeing a heating effect to reduce the energy consumption while a battery and engine cooling water are simultaneously used for heating.

The invention discloses an air frying pan, which comprises a food preparation room with an upper opening, a circulation room with an upper opening, a heat radiation device and an air ducting device, wherein the food preparation room is provided with a bottom wall and a side wall by which air can pass; the circulation room is sleeved outside the food preparation room; a channel for air flowing is formed between an outer wall of the circulation room and an inner wall of the food preparation room; the heat radiation device is arranged above the food preparation room, and is used for providing heat required for preparing food; the air ducting device is arranged above the heat radiation device, and is used for driving air flowing; an air runner for guiding air to enter into the food preparation room from a side wall basically, and enabling the air to form rotational flow in the food preparation room is arranged on the side wall. According to the air frying pan, uniform heating of food is realized, the energy of hot air is utilized furthest, and the energy consumption is greatly reduced.

The invention relates to a three-pipe heat recovery multi-connected machine, which comprises an outdoor machine and more than two indoor machines, wherein the outdoor machine and the indoor machines are connected by a high pressure liquid pipe, a low pressure air return pipe and a high pressure air pipe; the outdoor machine comprises a compressor, an outdoor heat exchanger, a four-way valve and athrottling device; the outdoor heat exchanger comprises a first outdoor heat exchanger and a second outdoor heat exchanger; the four-way valve comprises a first four-way valve, a second four-way valve and a third four-way valve; the throttling device comprises a first throttling device and a second throttling device; one end of the first outdoor heat exchanger is connected with a first connectionpipe of the first four-way valve, and the other end of the first outdoor heat exchanger is connected with the first throttling device; one end of the second outdoor heat exchanger is connected with afirst connection pipe of the second four-way valve, and the other end of the second outdoor heat exchanger is connected with one end of the second throttling device; and the other end of the first throttling device and the other end of the second throttling device are respectively connected with the high pressure liquid tube. The three-pipe heat recovery multi-connected machine provided by the invention has the characteristics of simple and reasonable structure and high energy efficiency ratio.

The invention provides an air conditioner which comprises an indoor unit and an outdoor unit. A drainage pipe is arranged between the indoor unit and the outdoor unit. The air conditioner further comprises a fresh air feeding device which comprises an outdoor air collecting device and a fresh air pipe. The outdoor air collecting device is arranged outdoors and used for collecting outdoor air. The fresh air pipe is sleeved with the drainage pipe, the first end of the fresh air pipe communicates with the outdoor air collecting device, and the second end of the fresh air pipe is arranged in the indoor unit. The fresh air pipe is used for sending the outdoor air collected by the outdoor air collecting device into the indoor unit, and the outdoor air is blown out of an air outlet of the indoor unit. According to the air conditioner, fresh air can be supplied into a room while refrigerating or heating is carried out by the air conditioner.

The invention discloses an energy-saving integrated type single-phase alternating current motor starting protector and belongs to the technical field of refrigeration compressors. The energy-saving integrated type single-phase alternating current motor starting protector comprises a shell, a single-phase alternating current motor starter, a single-phase alternating current motor protector and a shell cover. A positive temperature coefficient thermistor cavity and a single-phase alternating current motor protector cavity are formed inside a shell cavity in an enclosed mode. The single-phase alternating current motor starter comprises a positive temperature coefficient thermistor, a first pin and a second pin. The single-phase alternating current motor protector is arranged inside the single-phase alternating current motor protector cavity. The shell cover is matched with the shell and is provided with a grounding pin, a pin N and a pin L. The energy-saving integrated type single-phase alternating current motor starting protector is characterized in that the single-phase alternating current motor protector comprises a base, a fixing seta, double metal sheets, electric heating wires, a first protector pin, a second protector pin, a movable contact reed and an ejection rod. The energy-saving integrated type single-phase alternating current motor starting protector has the advantages of being reliable in positioning, capable of improving installation efficiency and guaranteeing overall heating effects of the double metal sheets, convenient to manufacture and assemble, remarkable in energy-saving effect, and capable of simplifying a mould structure used for manufacturing the shell, preventing electrical short circuits, preventing the shell from deforming and being damaged due to heating and guaranteeing the stability and reliability standards of the pins.

The invention relates to a building heat supplying and heating system based on a solar air heat collector, which belongs to the technical field of solar applications. The system comprises a solar heat collecting system, a heat energy transmitting mechanism, a heat storing system and an automatic control system, wherein the solar heat collecting system is respectively connected with the heat energy transmitting mechanism to transmit the heated air; the heat energy transmitting mechanism is connected with the heat storing system to transmit the heat energy; and the automatic control system is respectively connected with the heat collecting system, the heat energy transmitting system and the heat storing system to output a control instruction. The invention effectively solves the problems existing in the original system, and simultaneously decreases the system investment and running cost of the solar heating.

The invention discloses a gas supplementing and enthalpy increasing control method of a low-temperature type direct-current variable-frequency heat pump system. The key of the method is as follows, anexhaust temperature of the system is detected, when the exhaust temperature is larger than or equal to 70 DEG C, and when an exhaust superheat degree is larger than or equal to 25 DEG C, an enthalpyspraying electromagnetic valve (10) is electrified and started, and an enthalpy spraying auxiliary path is circulated; an enthalpy spraying electronic expansion valve (11) is started, an initial opening degree is 100 PLS and kept for 3 minutes, then adjusting is carried out according to an actual supercooling degree, when the actual supercooling degree is larger than or equal to a target supercooling degree, the opening valve control of the enthalpy spraying electronic expansion valve (11) is carried out; and when the actual supercooling degree is less than the target supercooling degree, theclosing valve control of the enthalpy spraying electronic expansion valve (11) is carried out, when the exhaust superheat degree is less than 20 DEG C, the enthalpy spraying electronic expansion valve(11) is closed, the enthalpy-spraying auxiliary path is not circulated, and the safety and reliability of a compressor are guaranteed. According to the gas supplementing and enthalpy increasing control method of the low-temperature direct-current variable-frequency heat pump system, the problems that in an actual application project, the heating performance of the variable-frequency heat pump system is attenuated and the system reliability is poor in a low-temperature use environment are solved.

The invention relates to the technical field of air conditioners, in particular to an air conditioner control method in a heating mode. The air conditioner control method in the heating mode aims to solve the problems of poor universality and poor user experience of an existing air conditioner control method. The control method includes the steps that an outdoor ambient temperature is obtained; anaccelerated speed of an external fan is calculated according to a first fitting formula; a frequency ascending speed of a compressor in a frequency ascending stage is calculated according to a secondfitting formula; the external fan is controlled to accelerate to a target rotational speed according to the accelerated speed; and preferably, the compressor is controlled to perform frequency ascending according to the frequency ascending speed while the external fan accelerates to the target rotational speed according to the accelerated speed. According to the control mode, the air conditionercontrol method in the heating mode can improve the universality of the air conditioner and improve the use experience of a user.

The invention discloses a blind window device for an air conditioner and the air conditioner. The blind window device for the air conditioner comprises the blind window device matched with the installation space of an air-conditioning outdoor unit and a vane control motor used for being connected with the air conditioner, wherein the blind window device comprises a vane fixing plate, a plurality of vanes arranged on the vane fixing plate, and a connecting rod connected with one ends of the vanes, and the vane control motor is connected with the connecting rod. The air conditioner comprises an air-conditioning indoor unit used for being installed indoors, an air-conditioning outdoor unit installation cover used for being installed outdoors, an air-conditioning outdoor unit arranged inside the air-conditioning outdoor unit installation cover, and the blind window device for the air conditioner. By means of the blind window device for the air conditioner and the air conditioner, air energy after heat transfer is discharged out of the blind window device rapidly, the heat conversion efficiency and the energy efficiency ratio of the air-conditioning units are improved, power consumption is lowered, and the air-conditioning units operate normally.

The invention discloses a source-load-storage coordinated scheduling method for improving new energy consumption. The method comprises the steps of S1, aggregating a thermal power plant, a new energypower plant, user loads and energy storage equipment into a source-load-storage scheduling system, and obtaining a new energy output curve, a heat utilization load curve and a power utilization load curve of the system; S2, establishing a source-load-storage coordinated scheduling model with the objective of maximizing new energy consumption quantity and minimizing the system operation cost; and S3, solving the source-load-storage coordinated scheduling model through utilization of improved multi-objective particle swarm optimization, and carrying out computing to obtain the source-load-storage coordinated scheduling method. The method has the advantages of simple realization method and flexible application. Schedulable resources such as power equipment, the user loads and the energy storage equipment in the system can be utilized rationally. The new energy consumption is facilitated, and moreover, operation cost of the system is reduced.

The invention provides a fresh air system and air conditioning system linkage control method. The method comprises the following steps that according to a staff distribution condition of each area in a vehicle, the actual full seating rate of each area is obtained respectively; according to the actual full seating rate of each area, whether a fresh air system is opened or not is judged; after the fresh air system is opened, according to the actual full seating rate of each area in the vehicle, the operating state of the fresh air system is obtained, and an air conditioning system is controlled to operate according to the operating state of the fresh air system. The invention further provides an air conditioning device. According to the fresh air system and air conditioning system linkage control method and the air conditioning device, through the linkage control of the fresh air system and the air conditioning system, fresh air in the vehicle can be guaranteed, and the cooling or heating effect of the air conditioning system can also be guaranteed.

The invention relates to a roof waterproof construction device. The roof waterproof construction device comprises a guide rail frame transversely arranged in the length direction, a sliding frame slidably connected to the guide rail frame in the length direction of the guide rail frame and a driving mechanism for driving the sliding frame to slide; and the sliding frame is provided with an unwinding roller, a pressing roller, a sliding seat, a driving assembly, a first spray gun and a second spray gun, wherein the axis of the unwinding roller is longitudinally arranged and used for installinga waterproof coiled material; the axis direction of the pressing roller is parallel to the unwinding roller, and the pressing roller is rotationally connected to the sliding frame to compact the waterproof coiled material laid on a roof base layer; the sliding seat slides in a reciprocating mode in the axial direction of the unwinding roller; the driving assembly is used for driving the sliding seat to slide; and the first spray gun and the second spray gun are installed on the sliding seat and used for baking the laying face of the waterproof coiled material and the roof base layer correspondingly. The roof waterproof construction device has the effect of effectively improving the heating uniformity of the laying surface of the waterproof coiled material so as to improve the waterproof effect of the roof.

The invention belongs to the technical field of air conditioners, and specifically relates to a defrost control method for air-conditioner. In order to judge an opportunity to defrost more accurately, the defrost control method for the air-conditioner comprises the following steps that the temperature of an outdoor unit pipe coil is detected under the condition that an air conditioner is in an operating condition of heating; the attenuation degree of the temperature of the outdoor unit pipe coil within a first preset time is acquired; the relative humidity of the position of an outdoor unit is acquired; and based on the relative humidity of the position of the outdoor unit, according to the attenuation degree of the temperature of the outdoor unit pipe coil, whether the air conditioner enters a defrost mode or not is judged. Because the relative humidity affects frosting of the air conditioner, thus, on the condition that the relative humidity is added as a judging condition, the frost quantity of the outdoor unit can be judged more accurately according to an attenuation value of the temperature of the outdoor unit external pipe coil, and therefore the defrost opportunity can be selected more accurately.

The invention discloses an air conditioner which comprises a machine shell and a heat exchange device, wherein the machine shell is provided with an air outlet; the machine shell is internally provided with a heat exchange air duct and a fresh air duct; an outlet of the heat exchange air duct and an outlet of the fresh air duct are both formed in the air outlet, so that out-flowing air of the fresh air duct and out-flowing air of the heat exchange air duct are mixed on the inner side of the air outlet and are jointly sent out through the air outlet; and the heat exchange device is arranged inthe machine shell and exchanges heat with air flow flowing into the heat exchange air duct. The air conditioner has good cooling and heating effects, the user experience comfort degree is improved, and the processing procedure of the machine shell is simplified.

The invention discloses an air conditioning system control method and device and an air conditioning system. The method comprises the steps that the indoor environment temperature and a user set temperature of the air conditioning system are obtained; the difference value between the indoor environment temperature and the user set temperature is determined; and the evaporating pressure or saturation temperature corresponding to the condensing pressure of the air conditioning system is controlled according to the operation mode and the difference value of the air conditioning system. According to the scheme, the defects of poor energy saving effect, inconvenient application, poor user experience and the like in the prior art can be overcome, and the beneficial effects of good energy saving effect, convenient application and good user experience are achieved.

The invention relates to a graphene polymerized nano-energy heating wire and a preparation method thereof. The heating wire comprises a heating core body and a protective layer. The heating core body is formed by weaving a plurality of polymerized nano-energy wires, the protective layer comprises an insulating layer and a waterproof layer, wherein the insulating layer and the waterproof layer are sequentially arranged from inside to outside, and the protective layer tightly wraps the heating core body. The polymerized nano-energy wires are prepared from the following components: polymerized fibers, graphene, kaolin, antimony, negative ion powder, tourmaline, shale, ceramic balls, a flame retardant, a polar solvent and a cross-linking agent. The graphene polymerized nano-energy heating wire and the preparation method thereof are safe, environmentally friendly, high in heating speed, extremely high in heating efficiency, long in service life, resistant to bending, free of thermal expansion and cold contraction deformation, not likely to be damaged, waterproof, anti-electric shock and fireproof, have the air purification function and the health preserving function, and are simple in preparation method and high in flexibility.

The invention provides an air conditioner system which comprises a first four-way reversing valve and a second four-way reversing valve. The first four-way reversing valve comprises a D1 port, an E1 port, an S1 port and a C1 port, wherein the D1 port is communicated with an outlet of a compressor, the E1 port is communicated with a first port of a phase change heat accumulator, the S1 port is communicated with an inlet of a gas-liquid separator, and the C1 port is communicated with a first port of an outdoor heat exchanger. The second four-way reversing valve comprises a D2 port, an E2 port, an S2 port and a C2 port, wherein the D2 port is communicated with the outlet of the compressor, the E2 port is communicated with a first port of an indoor unit, and the S2 port is communicated with the inlet of the gas-liquid separator. An outlet of the gas-liquid separator is communicated with an inlet of the compressor. A second port of the phase change heat accumulator is in serial connection with a defrosting electronic expansion valve and is communicated with a second port of the indoor unit, and a second port of the outdoor heat exchanger is connected between the defrosting electronic expansion valve and the second port of the indoor unit. The air conditioner system can improve heating and defrosting effects.

The invention discloses a method for improving the heating effect of multi-connected machine indoor machines and a unit thereof. The method comprises the steps of 1, stopping partial indoor machines while partial indoor machines of indoor units (5) carry out heating and carrying out operation for t1; 2, detecting the opening degree of an outdoor machine electronic expansion valve (4), obtaining the saturate temperature value T1 of an outdoor heat exchange machine (3) and detecting the exhaust temperature T2 of a compressor (1); 3, setting the refrigerant lack condition of the indoor machines in the heating mode according to the opening degree of the outdoor machine electronic expansion valve (4), the saturate temperature value T1 and the exhaust temperature T2 in the step 2, implementing the step 4 if the condition is met and otherwise, implementing the step 5; 4, increasing the opening degree of indoor machine electronic expansion valves (6) of the stopped indoor machines, and implementing the step 2; and 5, maintaining the increased opening degree of the indoor machine electronic expansion valves (6) of the stopped indoor machines. The method and the unit have the advantages that the heating effect is guaranteed, and the needed energy consumption is low.

The invention discloses a substrate roasting device and a temperature adjustment method thereof. The substrate roasting device comprises a roasting device main body which is used for roasting the substrate, wherein the roasting device body comprises a heating plate formed by a plurality of sub heating plates, and a temperature adjusting mechanism which is used for adjusting the heating temperature of each sub heating plate of the roasting device main body. A heat conducting layer is arranged on the heating plate, and the heat conducting layer covers each sub heating plates. Due to the adoption of the substrate roasting device, the film thickness evenness of the substrate can be improved.